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Finding the Fourth Proportional to 663,322.52, 994,672.68 and 242,303.96

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Solution

The fourth proportional to 663,322.52, 994,672.68 and 242,303.96 is: 363,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,322.52 : 994,672.68 = 242,303.96 : x
  2. Step 2: Convert to fraction form
    663,322.52/994,672.68 = 242,303.96/x
  3. Step 3: Cross multiply
    663,322.52x = 994,672.68 × 242,303.96
  4. Step 4: Simplify right side
    663,322.52x = 241,013,129,267.81
  5. Step 5: Solve for x
    x = 241,013,129,267.81/663,322.52
  6. Step 6: Final answer
    x = 363,342.30

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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.