Home / 282,800.28-424,190.58-72,440.04

Finding the Fourth Proportional to 282,800.28, 424,190.58 and 72,440.04

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Solution

The fourth proportional to 282,800.28, 424,190.58 and 72,440.04 is: 108,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,800.28 : 424,190.58 = 72,440.04 : x
  2. Step 2: Convert to fraction form
    282,800.28/424,190.58 = 72,440.04/x
  3. Step 3: Cross multiply
    282,800.28x = 424,190.58 × 72,440.04
  4. Step 4: Simplify right side
    282,800.28x = 30,728,382,582.82
  5. Step 5: Solve for x
    x = 30,728,382,582.82/282,800.28
  6. Step 6: Final answer
    x = 108,657.54

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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.