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Finding the Fourth Proportional to 376,384.38, 519,283.95 and 240,497.88

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Solution

The fourth proportional to 376,384.38, 519,283.95 and 240,497.88 is: 331,806.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,384.38 : 519,283.95 = 240,497.88 : x
  2. Step 2: Convert to fraction form
    376,384.38/519,283.95 = 240,497.88/x
  3. Step 3: Cross multiply
    376,384.38x = 519,283.95 × 240,497.88
  4. Step 4: Simplify right side
    376,384.38x = 124,886,689,093.03
  5. Step 5: Solve for x
    x = 124,886,689,093.03/376,384.38
  6. Step 6: Final answer
    x = 331,806.25

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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.