Home / 354,779.33-532,239.10-130,141.85

Finding the Fourth Proportional to 354,779.33, 532,239.10 and 130,141.85

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Solution

The fourth proportional to 354,779.33, 532,239.10 and 130,141.85 is: 195,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,779.33 : 532,239.10 = 130,141.85 : x
  2. Step 2: Convert to fraction form
    354,779.33/532,239.10 = 130,141.85/x
  3. Step 3: Cross multiply
    354,779.33x = 532,239.10 × 130,141.85
  4. Step 4: Simplify right side
    354,779.33x = 69,266,581,116.34
  5. Step 5: Solve for x
    x = 69,266,581,116.34/354,779.33
  6. Step 6: Final answer
    x = 195,238.49

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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.