Home / 313,320.51-432,382.85-170,080.65

Finding the Fourth Proportional to 313,320.51, 432,382.85 and 170,080.65

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Solution

The fourth proportional to 313,320.51, 432,382.85 and 170,080.65 is: 234,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,320.51 : 432,382.85 = 170,080.65 : x
  2. Step 2: Convert to fraction form
    313,320.51/432,382.85 = 170,080.65/x
  3. Step 3: Cross multiply
    313,320.51x = 432,382.85 × 170,080.65
  4. Step 4: Simplify right side
    313,320.51x = 73,539,956,176.85
  5. Step 5: Solve for x
    x = 73,539,956,176.85/313,320.51
  6. Step 6: Final answer
    x = 234,711.59

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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.