Home / 276,296.13-381,273.08-155,442.51

Finding the Fourth Proportional to 276,296.13, 381,273.08 and 155,442.51

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Solution

The fourth proportional to 276,296.13, 381,273.08 and 155,442.51 is: 214,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,296.13 : 381,273.08 = 155,442.51 : x
  2. Step 2: Convert to fraction form
    276,296.13/381,273.08 = 155,442.51/x
  3. Step 3: Cross multiply
    276,296.13x = 381,273.08 × 155,442.51
  4. Step 4: Simplify right side
    276,296.13x = 59,266,043,773.42
  5. Step 5: Solve for x
    x = 59,266,043,773.42/276,296.13
  6. Step 6: Final answer
    x = 214,501.90

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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.