Home / 456,127.96-684,288.54-136,304.73

Finding the Fourth Proportional to 456,127.96, 684,288.54 and 136,304.73

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Solution

The fourth proportional to 456,127.96, 684,288.54 and 136,304.73 is: 204,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,127.96 : 684,288.54 = 136,304.73 : x
  2. Step 2: Convert to fraction form
    456,127.96/684,288.54 = 136,304.73/x
  3. Step 3: Cross multiply
    456,127.96x = 684,288.54 × 136,304.73
  4. Step 4: Simplify right side
    456,127.96x = 93,271,764,686.79
  5. Step 5: Solve for x
    x = 93,271,764,686.79/456,127.96
  6. Step 6: Final answer
    x = 204,485.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.