Home / 402,486.47-603,723.56-102,964.52

Finding the Fourth Proportional to 402,486.47, 603,723.56 and 102,964.52

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Solution

The fourth proportional to 402,486.47, 603,723.56 and 102,964.52 is: 154,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,486.47 : 603,723.56 = 102,964.52 : x
  2. Step 2: Convert to fraction form
    402,486.47/603,723.56 = 102,964.52/x
  3. Step 3: Cross multiply
    402,486.47x = 603,723.56 × 102,964.52
  4. Step 4: Simplify right side
    402,486.47x = 62,162,103,034.65
  5. Step 5: Solve for x
    x = 62,162,103,034.65/402,486.47
  6. Step 6: Final answer
    x = 154,445.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.