Home / 252,754.50-379,423.35-128,357.94

Finding the Fourth Proportional to 252,754.50, 379,423.35 and 128,357.94

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Solution

The fourth proportional to 252,754.50, 379,423.35 and 128,357.94 is: 192,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,754.50 : 379,423.35 = 128,357.94 : x
  2. Step 2: Convert to fraction form
    252,754.50/379,423.35 = 128,357.94/x
  3. Step 3: Cross multiply
    252,754.50x = 379,423.35 × 128,357.94
  4. Step 4: Simplify right side
    252,754.50x = 48,701,999,593.90
  5. Step 5: Solve for x
    x = 48,701,999,593.90/252,754.50
  6. Step 6: Final answer
    x = 192,685.00

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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.