Home / 890,031.81-1,335,047.71-216,108.57

Finding the Fourth Proportional to 890,031.81, 1,335,047.71 and 216,108.57

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Solution

The fourth proportional to 890,031.81, 1,335,047.71 and 216,108.57 is: 324,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,031.81 : 1,335,047.71 = 216,108.57 : x
  2. Step 2: Convert to fraction form
    890,031.81/1,335,047.71 = 216,108.57/x
  3. Step 3: Cross multiply
    890,031.81x = 1,335,047.71 × 216,108.57
  4. Step 4: Simplify right side
    890,031.81x = 288,515,251,489.88
  5. Step 5: Solve for x
    x = 288,515,251,489.88/890,031.81
  6. Step 6: Final answer
    x = 324,162.86

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.