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Finding the Fourth Proportional to 424,045.86, 585,176.48 and 233,055.15

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Solution

The fourth proportional to 424,045.86, 585,176.48 and 233,055.15 is: 321,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,045.86 : 585,176.48 = 233,055.15 : x
  2. Step 2: Convert to fraction form
    424,045.86/585,176.48 = 233,055.15/x
  3. Step 3: Cross multiply
    424,045.86x = 585,176.48 × 233,055.15
  4. Step 4: Simplify right side
    424,045.86x = 136,378,391,148.08
  5. Step 5: Solve for x
    x = 136,378,391,148.08/424,045.86
  6. Step 6: Final answer
    x = 321,612.37

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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.