Home / 216,304.56-298,497.18-120,812.64

Finding the Fourth Proportional to 216,304.56, 298,497.18 and 120,812.64

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Solution

The fourth proportional to 216,304.56, 298,497.18 and 120,812.64 is: 166,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,304.56 : 298,497.18 = 120,812.64 : x
  2. Step 2: Convert to fraction form
    216,304.56/298,497.18 = 120,812.64/x
  3. Step 3: Cross multiply
    216,304.56x = 298,497.18 × 120,812.64
  4. Step 4: Simplify right side
    216,304.56x = 36,062,232,348.36
  5. Step 5: Solve for x
    x = 36,062,232,348.36/216,304.56
  6. Step 6: Final answer
    x = 166,719.70

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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.