Home / 282,432.67-389,756.62-155,108.26

Finding the Fourth Proportional to 282,432.67, 389,756.62 and 155,108.26

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Solution

The fourth proportional to 282,432.67, 389,756.62 and 155,108.26 is: 214,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,432.67 : 389,756.62 = 155,108.26 : x
  2. Step 2: Convert to fraction form
    282,432.67/389,756.62 = 155,108.26/x
  3. Step 3: Cross multiply
    282,432.67x = 389,756.62 × 155,108.26
  4. Step 4: Simplify right side
    282,432.67x = 60,454,471,151.68
  5. Step 5: Solve for x
    x = 60,454,471,151.68/282,432.67
  6. Step 6: Final answer
    x = 214,049.14

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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.