Home / 220,876.52-304,445.58-156,262.28

Finding the Fourth Proportional to 220,876.52, 304,445.58 and 156,262.28

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Solution

The fourth proportional to 220,876.52, 304,445.58 and 156,262.28 is: 215,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,876.52 : 304,445.58 = 156,262.28 : x
  2. Step 2: Convert to fraction form
    220,876.52/304,445.58 = 156,262.28/x
  3. Step 3: Cross multiply
    220,876.52x = 304,445.58 × 156,262.28
  4. Step 4: Simplify right side
    220,876.52x = 47,573,360,466.72
  5. Step 5: Solve for x
    x = 47,573,360,466.72/220,876.52
  6. Step 6: Final answer
    x = 215,384.42

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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.