Home / 406,010.15-609,000.63-106,488.35

Finding the Fourth Proportional to 406,010.15, 609,000.63 and 106,488.35

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Solution

The fourth proportional to 406,010.15, 609,000.63 and 106,488.35 is: 159,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,010.15 : 609,000.63 = 106,488.35 : x
  2. Step 2: Convert to fraction form
    406,010.15/609,000.63 = 106,488.35/x
  3. Step 3: Cross multiply
    406,010.15x = 609,000.63 × 106,488.35
  4. Step 4: Simplify right side
    406,010.15x = 64,851,469,192.66
  5. Step 5: Solve for x
    x = 64,851,469,192.66/406,010.15
  6. Step 6: Final answer
    x = 159,728.69

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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.