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Finding the Fourth Proportional to 239,779.76, 330,896.10 and 132,349.82

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Solution

The fourth proportional to 239,779.76, 330,896.10 and 132,349.82 is: 182,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,779.76 : 330,896.10 = 132,349.82 : x
  2. Step 2: Convert to fraction form
    239,779.76/330,896.10 = 132,349.82/x
  3. Step 3: Cross multiply
    239,779.76x = 330,896.10 × 132,349.82
  4. Step 4: Simplify right side
    239,779.76x = 43,794,041,116.87
  5. Step 5: Solve for x
    x = 43,794,041,116.87/239,779.76
  6. Step 6: Final answer
    x = 182,642.77

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1.5x scale

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.