Home / 492,786.20-738,632.55-193,167.20

Finding the Fourth Proportional to 492,786.20, 738,632.55 and 193,167.20

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Solution

The fourth proportional to 492,786.20, 738,632.55 and 193,167.20 is: 289,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,786.20 : 738,632.55 = 193,167.20 : x
  2. Step 2: Convert to fraction form
    492,786.20/738,632.55 = 193,167.20/x
  3. Step 3: Cross multiply
    492,786.20x = 738,632.55 × 193,167.20
  4. Step 4: Simplify right side
    492,786.20x = 142,679,581,512.36
  5. Step 5: Solve for x
    x = 142,679,581,512.36/492,786.20
  6. Step 6: Final answer
    x = 289,536.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.