Home / 313,720.13-432,933.45-170,479.87

Finding the Fourth Proportional to 313,720.13, 432,933.45 and 170,479.87

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Solution

The fourth proportional to 313,720.13, 432,933.45 and 170,479.87 is: 235,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,720.13 : 432,933.45 = 170,479.87 : x
  2. Step 2: Convert to fraction form
    313,720.13/432,933.45 = 170,479.87/x
  3. Step 3: Cross multiply
    313,720.13x = 432,933.45 × 170,479.87
  4. Step 4: Simplify right side
    313,720.13x = 73,806,438,274.65
  5. Step 5: Solve for x
    x = 73,806,438,274.65/313,720.13
  6. Step 6: Final answer
    x = 235,262.04

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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.