Home / 313,931.67-433,213.76-170,691.83

Finding the Fourth Proportional to 313,931.67, 433,213.76 and 170,691.83

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Solution

The fourth proportional to 313,931.67, 433,213.76 and 170,691.83 is: 235,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,931.67 : 433,213.76 = 170,691.83 : x
  2. Step 2: Convert to fraction form
    313,931.67/433,213.76 = 170,691.83/x
  3. Step 3: Cross multiply
    313,931.67x = 433,213.76 × 170,691.83
  4. Step 4: Simplify right side
    313,931.67x = 73,946,046,456.05
  5. Step 5: Solve for x
    x = 73,946,046,456.05/313,931.67
  6. Step 6: Final answer
    x = 235,548.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.