Home / 379,520.42-523,737.27-216,176.90

Finding the Fourth Proportional to 379,520.42, 523,737.27 and 216,176.90

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Solution

The fourth proportional to 379,520.42, 523,737.27 and 216,176.90 is: 298,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,520.42 : 523,737.27 = 216,176.90 : x
  2. Step 2: Convert to fraction form
    379,520.42/523,737.27 = 216,176.90/x
  3. Step 3: Cross multiply
    379,520.42x = 523,737.27 × 216,176.90
  4. Step 4: Simplify right side
    379,520.42x = 113,219,896,824.38
  5. Step 5: Solve for x
    x = 113,219,896,824.38/379,520.42
  6. Step 6: Final answer
    x = 298,323.60

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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.