Home / 406,258.98-609,015.24-139,956.18

Finding the Fourth Proportional to 406,258.98, 609,015.24 and 139,956.18

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Solution

The fourth proportional to 406,258.98, 609,015.24 and 139,956.18 is: 209,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,258.98 : 609,015.24 = 139,956.18 : x
  2. Step 2: Convert to fraction form
    406,258.98/609,015.24 = 139,956.18/x
  3. Step 3: Cross multiply
    406,258.98x = 609,015.24 × 139,956.18
  4. Step 4: Simplify right side
    406,258.98x = 85,235,446,552.18
  5. Step 5: Solve for x
    x = 85,235,446,552.18/406,258.98
  6. Step 6: Final answer
    x = 209,805.69

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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.