Home / 276,905.87-382,130.45-149,581.47

Finding the Fourth Proportional to 276,905.87, 382,130.45 and 149,581.47

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Solution

The fourth proportional to 276,905.87, 382,130.45 and 149,581.47 is: 206,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905.87 : 382,130.45 = 149,581.47 : x
  2. Step 2: Convert to fraction form
    276,905.87/382,130.45 = 149,581.47/x
  3. Step 3: Cross multiply
    276,905.87x = 382,130.45 × 149,581.47
  4. Step 4: Simplify right side
    276,905.87x = 57,159,634,442.76
  5. Step 5: Solve for x
    x = 57,159,634,442.76/276,905.87
  6. Step 6: Final answer
    x = 206,422.62

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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.