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Finding the Fourth Proportional to 451,373.23, 677,104.53 and 167,139.64

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Solution

The fourth proportional to 451,373.23, 677,104.53 and 167,139.64 is: 250,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,373.23 : 677,104.53 = 167,139.64 : x
  2. Step 2: Convert to fraction form
    451,373.23/677,104.53 = 167,139.64/x
  3. Step 3: Cross multiply
    451,373.23x = 677,104.53 × 167,139.64
  4. Step 4: Simplify right side
    451,373.23x = 113,171,007,386.57
  5. Step 5: Solve for x
    x = 113,171,007,386.57/451,373.23
  6. Step 6: Final answer
    x = 250,726.01

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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.