Home / 218,306.02-301,261.80-122,812.69

Finding the Fourth Proportional to 218,306.02, 301,261.80 and 122,812.69

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Solution

The fourth proportional to 218,306.02, 301,261.80 and 122,812.69 is: 169,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,306.02 : 301,261.80 = 122,812.69 : x
  2. Step 2: Convert to fraction form
    218,306.02/301,261.80 = 122,812.69/x
  3. Step 3: Cross multiply
    218,306.02x = 301,261.80 × 122,812.69
  4. Step 4: Simplify right side
    218,306.02x = 36,998,772,052.24
  5. Step 5: Solve for x
    x = 36,998,772,052.24/218,306.02
  6. Step 6: Final answer
    x = 169,481.23

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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.