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Finding the Fourth Proportional to 477,064.29, 658,352.84 and 262,209.36

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Solution

The fourth proportional to 477,064.29, 658,352.84 and 262,209.36 is: 361,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,064.29 : 658,352.84 = 262,209.36 : x
  2. Step 2: Convert to fraction form
    477,064.29/658,352.84 = 262,209.36/x
  3. Step 3: Cross multiply
    477,064.29x = 658,352.84 × 262,209.36
  4. Step 4: Simplify right side
    477,064.29x = 172,626,275,519.54
  5. Step 5: Solve for x
    x = 172,626,275,519.54/477,064.29
  6. Step 6: Final answer
    x = 361,851.18

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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.