Home / 381,569.40-572,435.06-144,906.84

Finding the Fourth Proportional to 381,569.40, 572,435.06 and 144,906.84

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Solution

The fourth proportional to 381,569.40, 572,435.06 and 144,906.84 is: 217,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,569.40 : 572,435.06 = 144,906.84 : x
  2. Step 2: Convert to fraction form
    381,569.40/572,435.06 = 144,906.84/x
  3. Step 3: Cross multiply
    381,569.40x = 572,435.06 × 144,906.84
  4. Step 4: Simplify right side
    381,569.40x = 82,949,754,925.28
  5. Step 5: Solve for x
    x = 82,949,754,925.28/381,569.40
  6. Step 6: Final answer
    x = 217,391.00

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1.5x scale

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.