Home / 377,873.04-521,456.94-205,792.88

Finding the Fourth Proportional to 377,873.04, 521,456.94 and 205,792.88

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Solution

The fourth proportional to 377,873.04, 521,456.94 and 205,792.88 is: 283,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,873.04 : 521,456.94 = 205,792.88 : x
  2. Step 2: Convert to fraction form
    377,873.04/521,456.94 = 205,792.88/x
  3. Step 3: Cross multiply
    377,873.04x = 521,456.94 × 205,792.88
  4. Step 4: Simplify right side
    377,873.04x = 107,312,125,478.59
  5. Step 5: Solve for x
    x = 107,312,125,478.59/377,873.04
  6. Step 6: Final answer
    x = 283,989.90

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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.