Home / 313,559.04-432,719.28-170,319.04

Finding the Fourth Proportional to 313,559.04, 432,719.28 and 170,319.04

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Solution

The fourth proportional to 313,559.04, 432,719.28 and 170,319.04 is: 235,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,559.04 : 432,719.28 = 170,319.04 : x
  2. Step 2: Convert to fraction form
    313,559.04/432,719.28 = 170,319.04/x
  3. Step 3: Cross multiply
    313,559.04x = 432,719.28 × 170,319.04
  4. Step 4: Simplify right side
    313,559.04x = 73,700,332,359.09
  5. Step 5: Solve for x
    x = 73,700,332,359.09/313,559.04
  6. Step 6: Final answer
    x = 235,044.51

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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.