Home / 280,182.08-386,649.42-159,323.37

Finding the Fourth Proportional to 280,182.08, 386,649.42 and 159,323.37

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Solution

The fourth proportional to 280,182.08, 386,649.42 and 159,323.37 is: 219,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,182.08 : 386,649.42 = 159,323.37 : x
  2. Step 2: Convert to fraction form
    280,182.08/386,649.42 = 159,323.37/x
  3. Step 3: Cross multiply
    280,182.08x = 386,649.42 × 159,323.37
  4. Step 4: Simplify right side
    280,182.08x = 61,602,288,602.95
  5. Step 5: Solve for x
    x = 61,602,288,602.95/280,182.08
  6. Step 6: Final answer
    x = 219,865.20

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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.