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Finding the Fourth Proportional to 424,008.96, 585,125.64 and 233,018.28

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Solution

The fourth proportional to 424,008.96, 585,125.64 and 233,018.28 is: 321,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,008.96 : 585,125.64 = 233,018.28 : x
  2. Step 2: Convert to fraction form
    424,008.96/585,125.64 = 233,018.28/x
  3. Step 3: Cross multiply
    424,008.96x = 585,125.64 × 233,018.28
  4. Step 4: Simplify right side
    424,008.96x = 136,344,970,216.70
  5. Step 5: Solve for x
    x = 136,344,970,216.70/424,008.96
  6. Step 6: Final answer
    x = 321,561.53

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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.