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Finding the Fourth Proportional to 375,538.73, 563,300.10 and 91,230.62

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Solution

The fourth proportional to 375,538.73, 563,300.10 and 91,230.62 is: 136,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,538.73 : 563,300.10 = 91,230.62 : x
  2. Step 2: Convert to fraction form
    375,538.73/563,300.10 = 91,230.62/x
  3. Step 3: Cross multiply
    375,538.73x = 563,300.10 × 91,230.62
  4. Step 4: Simplify right side
    375,538.73x = 51,390,214,552.56
  5. Step 5: Solve for x
    x = 51,390,214,552.56/375,538.73
  6. Step 6: Final answer
    x = 136,843.98

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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.