Home / 282,819.20-424,228.80-124,966.40

Finding the Fourth Proportional to 282,819.20, 424,228.80 and 124,966.40

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Solution

The fourth proportional to 282,819.20, 424,228.80 and 124,966.40 is: 187,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,819.20 : 424,228.80 = 124,966.40 : x
  2. Step 2: Convert to fraction form
    282,819.20/424,228.80 = 124,966.40/x
  3. Step 3: Cross multiply
    282,819.20x = 424,228.80 × 124,966.40
  4. Step 4: Simplify right side
    282,819.20x = 53,014,345,912.32
  5. Step 5: Solve for x
    x = 53,014,345,912.32/282,819.20
  6. Step 6: Final answer
    x = 187,449.60

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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.