Home / 313,743.72-432,965.82-170,503.44

Finding the Fourth Proportional to 313,743.72, 432,965.82 and 170,503.44

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Solution

The fourth proportional to 313,743.72, 432,965.82 and 170,503.44 is: 235,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,743.72 : 432,965.82 = 170,503.44 : x
  2. Step 2: Convert to fraction form
    313,743.72/432,965.82 = 170,503.44/x
  3. Step 3: Cross multiply
    313,743.72x = 432,965.82 × 170,503.44
  4. Step 4: Simplify right side
    313,743.72x = 73,822,161,712.42
  5. Step 5: Solve for x
    x = 73,822,161,712.42/313,743.72
  6. Step 6: Final answer
    x = 235,294.47

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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.