Home / 376,416.13-519,458.03-204,335.45

Finding the Fourth Proportional to 376,416.13, 519,458.03 and 204,335.45

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Solution

The fourth proportional to 376,416.13, 519,458.03 and 204,335.45 is: 281,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,416.13 : 519,458.03 = 204,335.45 : x
  2. Step 2: Convert to fraction form
    376,416.13/519,458.03 = 204,335.45/x
  3. Step 3: Cross multiply
    376,416.13x = 519,458.03 × 204,335.45
  4. Step 4: Simplify right side
    376,416.13x = 106,143,693,045.69
  5. Step 5: Solve for x
    x = 106,143,693,045.69/376,416.13
  6. Step 6: Final answer
    x = 281,984.97

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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.