Home / 379,742.12-569,496.52-180,003.40

Finding the Fourth Proportional to 379,742.12, 569,496.52 and 180,003.40

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Solution

The fourth proportional to 379,742.12, 569,496.52 and 180,003.40 is: 269,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,742.12 : 569,496.52 = 180,003.40 : x
  2. Step 2: Convert to fraction form
    379,742.12/569,496.52 = 180,003.40/x
  3. Step 3: Cross multiply
    379,742.12x = 569,496.52 × 180,003.40
  4. Step 4: Simplify right side
    379,742.12x = 102,511,309,888.17
  5. Step 5: Solve for x
    x = 102,511,309,888.17/379,742.12
  6. Step 6: Final answer
    x = 269,949.80

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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.