Home / 477,031.12-658,317.76-262,167.28

Finding the Fourth Proportional to 477,031.12, 658,317.76 and 262,167.28

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Solution

The fourth proportional to 477,031.12, 658,317.76 and 262,167.28 is: 361,798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,031.12 : 658,317.76 = 262,167.28 : x
  2. Step 2: Convert to fraction form
    477,031.12/658,317.76 = 262,167.28/x
  3. Step 3: Cross multiply
    477,031.12x = 658,317.76 × 262,167.28
  4. Step 4: Simplify right side
    477,031.12x = 172,589,376,514.89
  5. Step 5: Solve for x
    x = 172,589,376,514.89/477,031.12
  6. Step 6: Final answer
    x = 361,798.99

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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.