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Finding the Fourth Proportional to 237,398.67, 355,851.95 and 148,447.98

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Solution

The fourth proportional to 237,398.67, 355,851.95 and 148,447.98 is: 222,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,398.67 : 355,851.95 = 148,447.98 : x
  2. Step 2: Convert to fraction form
    237,398.67/355,851.95 = 148,447.98/x
  3. Step 3: Cross multiply
    237,398.67x = 355,851.95 × 148,447.98
  4. Step 4: Simplify right side
    237,398.67x = 52,825,502,414.32
  5. Step 5: Solve for x
    x = 52,825,502,414.32/237,398.67
  6. Step 6: Final answer
    x = 222,518.11

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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.