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Finding the Fourth Proportional to 375,449.87, 563,377.10 and 272,878.35

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Solution

The fourth proportional to 375,449.87, 563,377.10 and 272,878.35 is: 409,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,449.87 : 563,377.10 = 272,878.35 : x
  2. Step 2: Convert to fraction form
    375,449.87/563,377.10 = 272,878.35/x
  3. Step 3: Cross multiply
    375,449.87x = 563,377.10 × 272,878.35
  4. Step 4: Simplify right side
    375,449.87x = 153,733,412,111.39
  5. Step 5: Solve for x
    x = 153,733,412,111.39/375,449.87
  6. Step 6: Final answer
    x = 409,464.56

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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.