Home / 258,549.42-388,187.41-132,280.24

Finding the Fourth Proportional to 258,549.42, 388,187.41 and 132,280.24

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Solution

The fourth proportional to 258,549.42, 388,187.41 and 132,280.24 is: 198,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,549.42 : 388,187.41 = 132,280.24 : x
  2. Step 2: Convert to fraction form
    258,549.42/388,187.41 = 132,280.24/x
  3. Step 3: Cross multiply
    258,549.42x = 388,187.41 × 132,280.24
  4. Step 4: Simplify right side
    258,549.42x = 51,349,523,806.52
  5. Step 5: Solve for x
    x = 51,349,523,806.52/258,549.42
  6. Step 6: Final answer
    x = 198,606.22

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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.