Home / 280,164.24-386,620.16-152,844.32

Finding the Fourth Proportional to 280,164.24, 386,620.16 and 152,844.32

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Solution

The fourth proportional to 280,164.24, 386,620.16 and 152,844.32 is: 210,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,164.24 : 386,620.16 = 152,844.32 : x
  2. Step 2: Convert to fraction form
    280,164.24/386,620.16 = 152,844.32/x
  3. Step 3: Cross multiply
    280,164.24x = 386,620.16 × 152,844.32
  4. Step 4: Simplify right side
    280,164.24x = 59,092,695,453.49
  5. Step 5: Solve for x
    x = 59,092,695,453.49/280,164.24
  6. Step 6: Final answer
    x = 210,921.62

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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.