Home / 220,472.16-304,256.91-134,435.58

Finding the Fourth Proportional to 220,472.16, 304,256.91 and 134,435.58

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Solution

The fourth proportional to 220,472.16, 304,256.91 and 134,435.58 is: 185,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,472.16 : 304,256.91 = 134,435.58 : x
  2. Step 2: Convert to fraction form
    220,472.16/304,256.91 = 134,435.58/x
  3. Step 3: Cross multiply
    220,472.16x = 304,256.91 × 134,435.58
  4. Step 4: Simplify right side
    220,472.16x = 40,902,954,164.86
  5. Step 5: Solve for x
    x = 40,902,954,164.86/220,472.16
  6. Step 6: Final answer
    x = 185,524.35

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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.