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Finding the Fourth Proportional to 662,932.80, 994,543.20 and 242,208

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Solution

The fourth proportional to 662,932.80, 994,543.20 and 242,208 is: 363,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,932.80 : 994,543.20 = 242,208 : x
  2. Step 2: Convert to fraction form
    662,932.80/994,543.20 = 242,208/x
  3. Step 3: Cross multiply
    662,932.80x = 994,543.20 × 242,208
  4. Step 4: Simplify right side
    662,932.80x = 240,886,319,385.60
  5. Step 5: Solve for x
    x = 240,886,319,385.60/662,932.80
  6. Step 6: Final answer
    x = 363,364.61

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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.