Home / 279,627.14-385,889.67-152,302.61

Finding the Fourth Proportional to 279,627.14, 385,889.67 and 152,302.61

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Solution

The fourth proportional to 279,627.14, 385,889.67 and 152,302.61 is: 210,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,627.14 : 385,889.67 = 152,302.61 : x
  2. Step 2: Convert to fraction form
    279,627.14/385,889.67 = 152,302.61/x
  3. Step 3: Cross multiply
    279,627.14x = 385,889.67 × 152,302.61
  4. Step 4: Simplify right side
    279,627.14x = 58,772,001,983.59
  5. Step 5: Solve for x
    x = 58,772,001,983.59/279,627.14
  6. Step 6: Final answer
    x = 210,179.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.