Home / 252,800.64-379,282.98-75,309.18

Finding the Fourth Proportional to 252,800.64, 379,282.98 and 75,309.18

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Solution

The fourth proportional to 252,800.64, 379,282.98 and 75,309.18 is: 112,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,800.64 : 379,282.98 = 75,309.18 : x
  2. Step 2: Convert to fraction form
    252,800.64/379,282.98 = 75,309.18/x
  3. Step 3: Cross multiply
    252,800.64x = 379,282.98 × 75,309.18
  4. Step 4: Simplify right side
    252,800.64x = 28,563,490,211.76
  5. Step 5: Solve for x
    x = 28,563,490,211.76/252,800.64
  6. Step 6: Final answer
    x = 112,988.20

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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.