Home / 388,899.27-582,948.27-148,947.71

Finding the Fourth Proportional to 388,899.27, 582,948.27 and 148,947.71

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Solution

The fourth proportional to 388,899.27, 582,948.27 and 148,947.71 is: 223,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,899.27 : 582,948.27 = 148,947.71 : x
  2. Step 2: Convert to fraction form
    388,899.27/582,948.27 = 148,947.71/x
  3. Step 3: Cross multiply
    388,899.27x = 582,948.27 × 148,947.71
  4. Step 4: Simplify right side
    388,899.27x = 86,828,806,950.22
  5. Step 5: Solve for x
    x = 86,828,806,950.22/388,899.27
  6. Step 6: Final answer
    x = 223,268.12

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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.