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Finding the Fourth Proportional to 324,594.10, 486,502.35 and 166,741.30

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Solution

The fourth proportional to 324,594.10, 486,502.35 and 166,741.30 is: 249,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,594.10 : 486,502.35 = 166,741.30 : x
  2. Step 2: Convert to fraction form
    324,594.10/486,502.35 = 166,741.30/x
  3. Step 3: Cross multiply
    324,594.10x = 486,502.35 × 166,741.30
  4. Step 4: Simplify right side
    324,594.10x = 81,120,034,292.06
  5. Step 5: Solve for x
    x = 81,120,034,292.06/324,594.10
  6. Step 6: Final answer
    x = 249,912.23

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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.