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Finding the Fourth Proportional to 375,360.47, 517,996.61 and 203,277.90

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Solution

The fourth proportional to 375,360.47, 517,996.61 and 203,277.90 is: 280,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,360.47 : 517,996.61 = 203,277.90 : x
  2. Step 2: Convert to fraction form
    375,360.47/517,996.61 = 203,277.90/x
  3. Step 3: Cross multiply
    375,360.47x = 517,996.61 × 203,277.90
  4. Step 4: Simplify right side
    375,360.47x = 105,297,262,071.53
  5. Step 5: Solve for x
    x = 105,297,262,071.53/375,360.47
  6. Step 6: Final answer
    x = 280,523.05

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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.