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Finding the Fourth Proportional to 296,337.63, 408,945.98 and 160,371.62

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Solution

The fourth proportional to 296,337.63, 408,945.98 and 160,371.62 is: 221,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,337.63 : 408,945.98 = 160,371.62 : x
  2. Step 2: Convert to fraction form
    296,337.63/408,945.98 = 160,371.62/x
  3. Step 3: Cross multiply
    296,337.63x = 408,945.98 × 160,371.62
  4. Step 4: Simplify right side
    296,337.63x = 65,583,326,458.50
  5. Step 5: Solve for x
    x = 65,583,326,458.50/296,337.63
  6. Step 6: Final answer
    x = 221,312.85

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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.