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Finding the Fourth Proportional to 367,438.40, 550,898.40 and 167,854.40

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Solution

The fourth proportional to 367,438.40, 550,898.40 and 167,854.40 is: 251,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,438.40 : 550,898.40 = 167,854.40 : x
  2. Step 2: Convert to fraction form
    367,438.40/550,898.40 = 167,854.40/x
  3. Step 3: Cross multiply
    367,438.40x = 550,898.40 × 167,854.40
  4. Step 4: Simplify right side
    367,438.40x = 92,470,720,392.96
  5. Step 5: Solve for x
    x = 92,470,720,392.96/367,438.40
  6. Step 6: Final answer
    x = 251,663.19

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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.