Home / 230,860.50-318,720-175,981.92

Finding the Fourth Proportional to 230,860.50, 318,720 and 175,981.92

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Solution

The fourth proportional to 230,860.50, 318,720 and 175,981.92 is: 242,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,860.50 : 318,720 = 175,981.92 : x
  2. Step 2: Convert to fraction form
    230,860.50/318,720 = 175,981.92/x
  3. Step 3: Cross multiply
    230,860.50x = 318,720 × 175,981.92
  4. Step 4: Simplify right side
    230,860.50x = 56,088,957,542.40
  5. Step 5: Solve for x
    x = 56,088,957,542.40/230,860.50
  6. Step 6: Final answer
    x = 242,956.06

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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.