Home / 313,759.11-432,990.93-170,519.16

Finding the Fourth Proportional to 313,759.11, 432,990.93 and 170,519.16

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Solution

The fourth proportional to 313,759.11, 432,990.93 and 170,519.16 is: 235,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,759.11 : 432,990.93 = 170,519.16 : x
  2. Step 2: Convert to fraction form
    313,759.11/432,990.93 = 170,519.16/x
  3. Step 3: Cross multiply
    313,759.11x = 432,990.93 × 170,519.16
  4. Step 4: Simplify right side
    313,759.11x = 73,833,249,671.22
  5. Step 5: Solve for x
    x = 73,833,249,671.22/313,759.11
  6. Step 6: Final answer
    x = 235,318.27

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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.