Home / 313,854.23-433,113.72-170,617.88

Finding the Fourth Proportional to 313,854.23, 433,113.72 and 170,617.88

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Solution

The fourth proportional to 313,854.23, 433,113.72 and 170,617.88 is: 235,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,854.23 : 433,113.72 = 170,617.88 : x
  2. Step 2: Convert to fraction form
    313,854.23/433,113.72 = 170,617.88/x
  3. Step 3: Cross multiply
    313,854.23x = 433,113.72 × 170,617.88
  4. Step 4: Simplify right side
    313,854.23x = 73,896,942,539.75
  5. Step 5: Solve for x
    x = 73,896,942,539.75/313,854.23
  6. Step 6: Final answer
    x = 235,449.89

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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.