Home / 282,168.12-389,331.18-162,867

Finding the Fourth Proportional to 282,168.12, 389,331.18 and 162,867

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Solution

The fourth proportional to 282,168.12, 389,331.18 and 162,867 is: 224,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,168.12 : 389,331.18 = 162,867 : x
  2. Step 2: Convert to fraction form
    282,168.12/389,331.18 = 162,867/x
  3. Step 3: Cross multiply
    282,168.12x = 389,331.18 × 162,867
  4. Step 4: Simplify right side
    282,168.12x = 63,409,201,293.06
  5. Step 5: Solve for x
    x = 63,409,201,293.06/282,168.12
  6. Step 6: Final answer
    x = 224,721.35

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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.