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Finding the Fourth Proportional to 369,980.74, 510,226.89 and 245,581.70

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Solution

The fourth proportional to 369,980.74, 510,226.89 and 245,581.70 is: 338,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,980.74 : 510,226.89 = 245,581.70 : x
  2. Step 2: Convert to fraction form
    369,980.74/510,226.89 = 245,581.70/x
  3. Step 3: Cross multiply
    369,980.74x = 510,226.89 × 245,581.70
  4. Step 4: Simplify right side
    369,980.74x = 125,302,387,031.91
  5. Step 5: Solve for x
    x = 125,302,387,031.91/369,980.74
  6. Step 6: Final answer
    x = 338,672.73

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Similar ratio
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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.