Home / 207,031.20-310,546.80-144,045.60

Finding the Fourth Proportional to 207,031.20, 310,546.80 and 144,045.60

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Solution

The fourth proportional to 207,031.20, 310,546.80 and 144,045.60 is: 216,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,031.20 : 310,546.80 = 144,045.60 : x
  2. Step 2: Convert to fraction form
    207,031.20/310,546.80 = 144,045.60/x
  3. Step 3: Cross multiply
    207,031.20x = 310,546.80 × 144,045.60
  4. Step 4: Simplify right side
    207,031.20x = 44,732,900,134.08
  5. Step 5: Solve for x
    x = 44,732,900,134.08/207,031.20
  6. Step 6: Final answer
    x = 216,068.40

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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.