Home / 218,943.42-327,775.02-197,931.61

Finding the Fourth Proportional to 218,943.42, 327,775.02 and 197,931.61

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Solution

The fourth proportional to 218,943.42, 327,775.02 and 197,931.61 is: 296,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,943.42 : 327,775.02 = 197,931.61 : x
  2. Step 2: Convert to fraction form
    218,943.42/327,775.02 = 197,931.61/x
  3. Step 3: Cross multiply
    218,943.42x = 327,775.02 × 197,931.61
  4. Step 4: Simplify right side
    218,943.42x = 64,877,037,426.38
  5. Step 5: Solve for x
    x = 64,877,037,426.38/218,943.42
  6. Step 6: Final answer
    x = 296,318.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.