Home / 306,070.13-459,131.66-84,454.13

Finding the Fourth Proportional to 306,070.13, 459,131.66 and 84,454.13

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Solution

The fourth proportional to 306,070.13, 459,131.66 and 84,454.13 is: 126,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,070.13 : 459,131.66 = 84,454.13 : x
  2. Step 2: Convert to fraction form
    306,070.13/459,131.66 = 84,454.13/x
  3. Step 3: Cross multiply
    306,070.13x = 459,131.66 × 84,454.13
  4. Step 4: Simplify right side
    306,070.13x = 38,775,562,182.83
  5. Step 5: Solve for x
    x = 38,775,562,182.83/306,070.13
  6. Step 6: Final answer
    x = 126,688.49

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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.