Home / 220,430.72-304,197.42-119,830.88

Finding the Fourth Proportional to 220,430.72, 304,197.42 and 119,830.88

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Solution

The fourth proportional to 220,430.72, 304,197.42 and 119,830.88 is: 165,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,430.72 : 304,197.42 = 119,830.88 : x
  2. Step 2: Convert to fraction form
    220,430.72/304,197.42 = 119,830.88/x
  3. Step 3: Cross multiply
    220,430.72x = 304,197.42 × 119,830.88
  4. Step 4: Simplify right side
    220,430.72x = 36,452,244,532.33
  5. Step 5: Solve for x
    x = 36,452,244,532.33/220,430.72
  6. Step 6: Final answer
    x = 165,368.26

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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.