Home / 313,743.40-432,968.63-170,503.43

Finding the Fourth Proportional to 313,743.40, 432,968.63 and 170,503.43

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Solution

The fourth proportional to 313,743.40, 432,968.63 and 170,503.43 is: 235,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,743.40 : 432,968.63 = 170,503.43 : x
  2. Step 2: Convert to fraction form
    313,743.40/432,968.63 = 170,503.43/x
  3. Step 3: Cross multiply
    313,743.40x = 432,968.63 × 170,503.43
  4. Step 4: Simplify right side
    313,743.40x = 73,822,633,480.04
  5. Step 5: Solve for x
    x = 73,822,633,480.04/313,743.40
  6. Step 6: Final answer
    x = 235,296.21

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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.