Home / 454,826.80-682,240.20-155,280.70

Finding the Fourth Proportional to 454,826.80, 682,240.20 and 155,280.70

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Solution

The fourth proportional to 454,826.80, 682,240.20 and 155,280.70 is: 232,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,826.80 : 682,240.20 = 155,280.70 : x
  2. Step 2: Convert to fraction form
    454,826.80/682,240.20 = 155,280.70/x
  3. Step 3: Cross multiply
    454,826.80x = 682,240.20 × 155,280.70
  4. Step 4: Simplify right side
    454,826.80x = 105,938,735,824.14
  5. Step 5: Solve for x
    x = 105,938,735,824.14/454,826.80
  6. Step 6: Final answer
    x = 232,921.05

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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.