Home / 293,031.60-439,693.20-166,768.80

Finding the Fourth Proportional to 293,031.60, 439,693.20 and 166,768.80

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Solution

The fourth proportional to 293,031.60, 439,693.20 and 166,768.80 is: 250,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,031.60 : 439,693.20 = 166,768.80 : x
  2. Step 2: Convert to fraction form
    293,031.60/439,693.20 = 166,768.80/x
  3. Step 3: Cross multiply
    293,031.60x = 439,693.20 × 166,768.80
  4. Step 4: Simplify right side
    293,031.60x = 73,327,107,332.16
  5. Step 5: Solve for x
    x = 73,327,107,332.16/293,031.60
  6. Step 6: Final answer
    x = 250,236.18

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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.