Home / 317,401.13-438,012.36-174,163.57

Finding the Fourth Proportional to 317,401.13, 438,012.36 and 174,163.57

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Solution

The fourth proportional to 317,401.13, 438,012.36 and 174,163.57 is: 240,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,401.13 : 438,012.36 = 174,163.57 : x
  2. Step 2: Convert to fraction form
    317,401.13/438,012.36 = 174,163.57/x
  3. Step 3: Cross multiply
    317,401.13x = 438,012.36 × 174,163.57
  4. Step 4: Simplify right side
    317,401.13x = 76,285,795,226.69
  5. Step 5: Solve for x
    x = 76,285,795,226.69/317,401.13
  6. Step 6: Final answer
    x = 240,345.06

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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.