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Finding the Fourth Proportional to 360,618.98, 497,497.82 and 217,297.58

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Solution

The fourth proportional to 360,618.98, 497,497.82 and 217,297.58 is: 299,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,618.98 : 497,497.82 = 217,297.58 : x
  2. Step 2: Convert to fraction form
    360,618.98/497,497.82 = 217,297.58/x
  3. Step 3: Cross multiply
    360,618.98x = 497,497.82 × 217,297.58
  4. Step 4: Simplify right side
    360,618.98x = 108,105,068,767.30
  5. Step 5: Solve for x
    x = 108,105,068,767.30/360,618.98
  6. Step 6: Final answer
    x = 299,776.43

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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.