Home / 276,898.02-382,119.46-149,573.68

Finding the Fourth Proportional to 276,898.02, 382,119.46 and 149,573.68

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Solution

The fourth proportional to 276,898.02, 382,119.46 and 149,573.68 is: 206,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,898.02 : 382,119.46 = 149,573.68 : x
  2. Step 2: Convert to fraction form
    276,898.02/382,119.46 = 149,573.68/x
  3. Step 3: Cross multiply
    276,898.02x = 382,119.46 × 149,573.68
  4. Step 4: Simplify right side
    276,898.02x = 57,155,013,831.81
  5. Step 5: Solve for x
    x = 57,155,013,831.81/276,898.02
  6. Step 6: Final answer
    x = 206,411.78

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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.