Home / 278,127.79-383,675.07-175,981.12

Finding the Fourth Proportional to 278,127.79, 383,675.07 and 175,981.12

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Solution

The fourth proportional to 278,127.79, 383,675.07 and 175,981.12 is: 242,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,127.79 : 383,675.07 = 175,981.12 : x
  2. Step 2: Convert to fraction form
    278,127.79/383,675.07 = 175,981.12/x
  3. Step 3: Cross multiply
    278,127.79x = 383,675.07 × 175,981.12
  4. Step 4: Simplify right side
    278,127.79x = 67,519,568,534.68
  5. Step 5: Solve for x
    x = 67,519,568,534.68/278,127.79
  6. Step 6: Final answer
    x = 242,764.55

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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.