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Finding the Fourth Proportional to 237,970.67, 328,398.60 and 147,308.57

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Solution

The fourth proportional to 237,970.67, 328,398.60 and 147,308.57 is: 203,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,970.67 : 328,398.60 = 147,308.57 : x
  2. Step 2: Convert to fraction form
    237,970.67/328,398.60 = 147,308.57/x
  3. Step 3: Cross multiply
    237,970.67x = 328,398.60 × 147,308.57
  4. Step 4: Simplify right side
    237,970.67x = 48,375,928,156.00
  5. Step 5: Solve for x
    x = 48,375,928,156.00/237,970.67
  6. Step 6: Final answer
    x = 203,285.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.