Home / 209,228.20-288,853.59-160,077.43

Finding the Fourth Proportional to 209,228.20, 288,853.59 and 160,077.43

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Solution

The fourth proportional to 209,228.20, 288,853.59 and 160,077.43 is: 220,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,228.20 : 288,853.59 = 160,077.43 : x
  2. Step 2: Convert to fraction form
    209,228.20/288,853.59 = 160,077.43/x
  3. Step 3: Cross multiply
    209,228.20x = 288,853.59 × 160,077.43
  4. Step 4: Simplify right side
    209,228.20x = 46,238,941,294.83
  5. Step 5: Solve for x
    x = 46,238,941,294.83/209,228.20
  6. Step 6: Final answer
    x = 220,997.66

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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.