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Finding the Fourth Proportional to 535,546.62, 803,325.13 and 136,187.39

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Solution

The fourth proportional to 535,546.62, 803,325.13 and 136,187.39 is: 204,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,546.62 : 803,325.13 = 136,187.39 : x
  2. Step 2: Convert to fraction form
    535,546.62/803,325.13 = 136,187.39/x
  3. Step 3: Cross multiply
    535,546.62x = 803,325.13 × 136,187.39
  4. Step 4: Simplify right side
    535,546.62x = 109,402,754,443.96
  5. Step 5: Solve for x
    x = 109,402,754,443.96/535,546.62
  6. Step 6: Final answer
    x = 204,282.41

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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.