Home / 306,287.07-459,452.49-81,646.35

Finding the Fourth Proportional to 306,287.07, 459,452.49 and 81,646.35

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Solution

The fourth proportional to 306,287.07, 459,452.49 and 81,646.35 is: 122,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,287.07 : 459,452.49 = 81,646.35 : x
  2. Step 2: Convert to fraction form
    306,287.07/459,452.49 = 81,646.35/x
  3. Step 3: Cross multiply
    306,287.07x = 459,452.49 × 81,646.35
  4. Step 4: Simplify right side
    306,287.07x = 37,512,618,806.91
  5. Step 5: Solve for x
    x = 37,512,618,806.91/306,287.07
  6. Step 6: Final answer
    x = 122,475.36

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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.