Home / 306,390.08-459,721.84-156,551.52

Finding the Fourth Proportional to 306,390.08, 459,721.84 and 156,551.52

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Solution

The fourth proportional to 306,390.08, 459,721.84 and 156,551.52 is: 234,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,390.08 : 459,721.84 = 156,551.52 : x
  2. Step 2: Convert to fraction form
    306,390.08/459,721.84 = 156,551.52/x
  3. Step 3: Cross multiply
    306,390.08x = 459,721.84 × 156,551.52
  4. Step 4: Simplify right side
    306,390.08x = 71,970,152,829.20
  5. Step 5: Solve for x
    x = 71,970,152,829.20/306,390.08
  6. Step 6: Final answer
    x = 234,897.14

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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.