Home / 406,093.24-609,113.92-125,587

Finding the Fourth Proportional to 406,093.24, 609,113.92 and 125,587

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Solution

The fourth proportional to 406,093.24, 609,113.92 and 125,587 is: 188,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,093.24 : 609,113.92 = 125,587 : x
  2. Step 2: Convert to fraction form
    406,093.24/609,113.92 = 125,587/x
  3. Step 3: Cross multiply
    406,093.24x = 609,113.92 × 125,587
  4. Step 4: Simplify right side
    406,093.24x = 76,496,789,871.04
  5. Step 5: Solve for x
    x = 76,496,789,871.04/406,093.24
  6. Step 6: Final answer
    x = 188,372.48

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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.