Home / 220,514.06-304,395.95-156,318.84

Finding the Fourth Proportional to 220,514.06, 304,395.95 and 156,318.84

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Solution

The fourth proportional to 220,514.06, 304,395.95 and 156,318.84 is: 215,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,514.06 : 304,395.95 = 156,318.84 : x
  2. Step 2: Convert to fraction form
    220,514.06/304,395.95 = 156,318.84/x
  3. Step 3: Cross multiply
    220,514.06x = 304,395.95 × 156,318.84
  4. Step 4: Simplify right side
    220,514.06x = 47,582,821,804.70
  5. Step 5: Solve for x
    x = 47,582,821,804.70/220,514.06
  6. Step 6: Final answer
    x = 215,781.35

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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.