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Finding the Fourth Proportional to 276,062.78, 413,322.79 and 149,248.67

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Solution

The fourth proportional to 276,062.78, 413,322.79 and 149,248.67 is: 223,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,062.78 : 413,322.79 = 149,248.67 : x
  2. Step 2: Convert to fraction form
    276,062.78/413,322.79 = 149,248.67/x
  3. Step 3: Cross multiply
    276,062.78x = 413,322.79 × 149,248.67
  4. Step 4: Simplify right side
    276,062.78x = 61,687,876,688.19
  5. Step 5: Solve for x
    x = 61,687,876,688.19/276,062.78
  6. Step 6: Final answer
    x = 223,455.98

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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.