Home / 427,200.06-589,437.90-255,084.42

Finding the Fourth Proportional to 427,200.06, 589,437.90 and 255,084.42

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Solution

The fourth proportional to 427,200.06, 589,437.90 and 255,084.42 is: 351,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,200.06 : 589,437.90 = 255,084.42 : x
  2. Step 2: Convert to fraction form
    427,200.06/589,437.90 = 255,084.42/x
  3. Step 3: Cross multiply
    427,200.06x = 589,437.90 × 255,084.42
  4. Step 4: Simplify right side
    427,200.06x = 150,356,424,847.52
  5. Step 5: Solve for x
    x = 150,356,424,847.52/427,200.06
  6. Step 6: Final answer
    x = 351,957.87

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1.5x scale

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.