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Finding the Fourth Proportional to 371,037.86, 511,886.13 and 227,548.70

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Solution

The fourth proportional to 371,037.86, 511,886.13 and 227,548.70 is: 313,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,037.86 : 511,886.13 = 227,548.70 : x
  2. Step 2: Convert to fraction form
    371,037.86/511,886.13 = 227,548.70/x
  3. Step 3: Cross multiply
    371,037.86x = 511,886.13 × 227,548.70
  4. Step 4: Simplify right side
    371,037.86x = 116,479,023,429.53
  5. Step 5: Solve for x
    x = 116,479,023,429.53/371,037.86
  6. Step 6: Final answer
    x = 313,927.60

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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.