Home / 306,287.06-459,452.50-81,646.34

Finding the Fourth Proportional to 306,287.06, 459,452.50 and 81,646.34

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Solution

The fourth proportional to 306,287.06, 459,452.50 and 81,646.34 is: 122,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,287.06 : 459,452.50 = 81,646.34 : x
  2. Step 2: Convert to fraction form
    306,287.06/459,452.50 = 81,646.34/x
  3. Step 3: Cross multiply
    306,287.06x = 459,452.50 × 81,646.34
  4. Step 4: Simplify right side
    306,287.06x = 37,512,615,028.85
  5. Step 5: Solve for x
    x = 37,512,615,028.85/306,287.06
  6. Step 6: Final answer
    x = 122,475.35

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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.