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Finding the Fourth Proportional to 641,690.16, 962,754.03 and 242,446.02

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Solution

The fourth proportional to 641,690.16, 962,754.03 and 242,446.02 is: 363,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,690.16 : 962,754.03 = 242,446.02 : x
  2. Step 2: Convert to fraction form
    641,690.16/962,754.03 = 242,446.02/x
  3. Step 3: Cross multiply
    641,690.16x = 962,754.03 × 242,446.02
  4. Step 4: Simplify right side
    641,690.16x = 233,415,882,812.46
  5. Step 5: Solve for x
    x = 233,415,882,812.46/641,690.16
  6. Step 6: Final answer
    x = 363,751.69

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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.