Home / 313,513.34-432,651.58-170,276.18

Finding the Fourth Proportional to 313,513.34, 432,651.58 and 170,276.18

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Solution

The fourth proportional to 313,513.34, 432,651.58 and 170,276.18 is: 234,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,513.34 : 432,651.58 = 170,276.18 : x
  2. Step 2: Convert to fraction form
    313,513.34/432,651.58 = 170,276.18/x
  3. Step 3: Cross multiply
    313,513.34x = 432,651.58 × 170,276.18
  4. Step 4: Simplify right side
    313,513.34x = 73,670,255,724.42
  5. Step 5: Solve for x
    x = 73,670,255,724.42/313,513.34
  6. Step 6: Final answer
    x = 234,982.85

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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.