Home / 376,388.60-519,416.77-204,306.45

Finding the Fourth Proportional to 376,388.60, 519,416.77 and 204,306.45

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Solution

The fourth proportional to 376,388.60, 519,416.77 and 204,306.45 is: 281,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,388.60 : 519,416.77 = 204,306.45 : x
  2. Step 2: Convert to fraction form
    376,388.60/519,416.77 = 204,306.45/x
  3. Step 3: Cross multiply
    376,388.60x = 519,416.77 × 204,306.45
  4. Step 4: Simplify right side
    376,388.60x = 106,120,196,333.46
  5. Step 5: Solve for x
    x = 106,120,196,333.46/376,388.60
  6. Step 6: Final answer
    x = 281,943.18

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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.