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Finding the Fourth Proportional to 376,753.68, 519,918 and 204,670.28

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Solution

The fourth proportional to 376,753.68, 519,918 and 204,670.28 is: 282,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,753.68 : 519,918 = 204,670.28 : x
  2. Step 2: Convert to fraction form
    376,753.68/519,918 = 204,670.28/x
  3. Step 3: Cross multiply
    376,753.68x = 519,918 × 204,670.28
  4. Step 4: Simplify right side
    376,753.68x = 106,411,760,037.45
  5. Step 5: Solve for x
    x = 106,411,760,037.45/376,753.68
  6. Step 6: Final answer
    x = 282,443.85

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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.