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Finding the Fourth Proportional to 445,814.76, 615,224.30 and 254,832.24

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Solution

The fourth proportional to 445,814.76, 615,224.30 and 254,832.24 is: 351,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,814.76 : 615,224.30 = 254,832.24 : x
  2. Step 2: Convert to fraction form
    445,814.76/615,224.30 = 254,832.24/x
  3. Step 3: Cross multiply
    445,814.76x = 615,224.30 × 254,832.24
  4. Step 4: Simplify right side
    445,814.76x = 156,778,986,471.43
  5. Step 5: Solve for x
    x = 156,778,986,471.43/445,814.76
  6. Step 6: Final answer
    x = 351,668.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.