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Finding the Fourth Proportional to 240,916.52, 361,896.14 and 156,633.32

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Solution

The fourth proportional to 240,916.52, 361,896.14 and 156,633.32 is: 235,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,916.52 : 361,896.14 = 156,633.32 : x
  2. Step 2: Convert to fraction form
    240,916.52/361,896.14 = 156,633.32/x
  3. Step 3: Cross multiply
    240,916.52x = 361,896.14 × 156,633.32
  4. Step 4: Simplify right side
    240,916.52x = 56,684,992,485.49
  5. Step 5: Solve for x
    x = 56,684,992,485.49/240,916.52
  6. Step 6: Final answer
    x = 235,288.94

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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.