Home / 228,508.85-315,340.02-131,677.13

Finding the Fourth Proportional to 228,508.85, 315,340.02 and 131,677.13

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Solution

The fourth proportional to 228,508.85, 315,340.02 and 131,677.13 is: 181,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,508.85 : 315,340.02 = 131,677.13 : x
  2. Step 2: Convert to fraction form
    228,508.85/315,340.02 = 131,677.13/x
  3. Step 3: Cross multiply
    228,508.85x = 315,340.02 × 131,677.13
  4. Step 4: Simplify right side
    228,508.85x = 41,523,066,572.66
  5. Step 5: Solve for x
    x = 41,523,066,572.66/228,508.85
  6. Step 6: Final answer
    x = 181,713.17

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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.