Home / 482,865.91-666,350.14-268,000.45

Finding the Fourth Proportional to 482,865.91, 666,350.14 and 268,000.45

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Solution

The fourth proportional to 482,865.91, 666,350.14 and 268,000.45 is: 369,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,865.91 : 666,350.14 = 268,000.45 : x
  2. Step 2: Convert to fraction form
    482,865.91/666,350.14 = 268,000.45/x
  3. Step 3: Cross multiply
    482,865.91x = 666,350.14 × 268,000.45
  4. Step 4: Simplify right side
    482,865.91x = 178,582,137,377.56
  5. Step 5: Solve for x
    x = 178,582,137,377.56/482,865.91
  6. Step 6: Final answer
    x = 369,837.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.