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Finding the Fourth Proportional to 220,430.58, 304,194.51 and 119,828.58

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Solution

The fourth proportional to 220,430.58, 304,194.51 and 119,828.58 is: 165,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,430.58 : 304,194.51 = 119,828.58 : x
  2. Step 2: Convert to fraction form
    220,430.58/304,194.51 = 119,828.58/x
  3. Step 3: Cross multiply
    220,430.58x = 304,194.51 × 119,828.58
  4. Step 4: Simplify right side
    220,430.58x = 36,451,196,177.10
  5. Step 5: Solve for x
    x = 36,451,196,177.10/220,430.58
  6. Step 6: Final answer
    x = 165,363.61

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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.