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Finding the Fourth Proportional to 243,458.47, 366,849.49 and 200,057.46

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Solution

The fourth proportional to 243,458.47, 366,849.49 and 200,057.46 is: 301,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,458.47 : 366,849.49 = 200,057.46 : x
  2. Step 2: Convert to fraction form
    243,458.47/366,849.49 = 200,057.46/x
  3. Step 3: Cross multiply
    243,458.47x = 366,849.49 × 200,057.46
  4. Step 4: Simplify right side
    243,458.47x = 73,390,974,780.03
  5. Step 5: Solve for x
    x = 73,390,974,780.03/243,458.47
  6. Step 6: Final answer
    x = 301,451.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.