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Finding the Fourth Proportional to 503,495.22, 754,983.11 and 148,463.10

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Solution

The fourth proportional to 503,495.22, 754,983.11 and 148,463.10 is: 222,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,495.22 : 754,983.11 = 148,463.10 : x
  2. Step 2: Convert to fraction form
    503,495.22/754,983.11 = 148,463.10/x
  3. Step 3: Cross multiply
    503,495.22x = 754,983.11 × 148,463.10
  4. Step 4: Simplify right side
    503,495.22x = 112,087,132,215.93
  5. Step 5: Solve for x
    x = 112,087,132,215.93/503,495.22
  6. Step 6: Final answer
    x = 222,618.07

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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.