Home / 313,815.72-433,074.12-170,585.40

Finding the Fourth Proportional to 313,815.72, 433,074.12 and 170,585.40

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Solution

The fourth proportional to 313,815.72, 433,074.12 and 170,585.40 is: 235,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,815.72 : 433,074.12 = 170,585.40 : x
  2. Step 2: Convert to fraction form
    313,815.72/433,074.12 = 170,585.40/x
  3. Step 3: Cross multiply
    313,815.72x = 433,074.12 × 170,585.40
  4. Step 4: Simplify right side
    313,815.72x = 73,876,121,989.85
  5. Step 5: Solve for x
    x = 73,876,121,989.85/313,815.72
  6. Step 6: Final answer
    x = 235,412.43

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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.