Home / 269,439.28-371,809.02-148,581.34

Finding the Fourth Proportional to 269,439.28, 371,809.02 and 148,581.34

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Solution

The fourth proportional to 269,439.28, 371,809.02 and 148,581.34 is: 205,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,439.28 : 371,809.02 = 148,581.34 : x
  2. Step 2: Convert to fraction form
    269,439.28/371,809.02 = 148,581.34/x
  3. Step 3: Cross multiply
    269,439.28x = 371,809.02 × 148,581.34
  4. Step 4: Simplify right side
    269,439.28x = 55,243,882,415.69
  5. Step 5: Solve for x
    x = 55,243,882,415.69/269,439.28
  6. Step 6: Final answer
    x = 205,032.77

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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.