Home / 406,254.30-609,438.15-169,542.72

Finding the Fourth Proportional to 406,254.30, 609,438.15 and 169,542.72

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Solution

The fourth proportional to 406,254.30, 609,438.15 and 169,542.72 is: 254,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,254.30 : 609,438.15 = 169,542.72 : x
  2. Step 2: Convert to fraction form
    406,254.30/609,438.15 = 169,542.72/x
  3. Step 3: Cross multiply
    406,254.30x = 609,438.15 × 169,542.72
  4. Step 4: Simplify right side
    406,254.30x = 103,325,801,622.77
  5. Step 5: Solve for x
    x = 103,325,801,622.77/406,254.30
  6. Step 6: Final answer
    x = 254,337.74

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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.