Home / 313,265.12-432,306.28-170,025.18

Finding the Fourth Proportional to 313,265.12, 432,306.28 and 170,025.18

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Solution

The fourth proportional to 313,265.12, 432,306.28 and 170,025.18 is: 234,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,265.12 : 432,306.28 = 170,025.18 : x
  2. Step 2: Convert to fraction form
    313,265.12/432,306.28 = 170,025.18/x
  3. Step 3: Cross multiply
    313,265.12x = 432,306.28 × 170,025.18
  4. Step 4: Simplify right side
    313,265.12x = 73,502,952,647.07
  5. Step 5: Solve for x
    x = 73,502,952,647.07/313,265.12
  6. Step 6: Final answer
    x = 234,634.97

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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.