Home / 317,416.38-438,019.56-174,173.28

Finding the Fourth Proportional to 317,416.38, 438,019.56 and 174,173.28

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Solution

The fourth proportional to 317,416.38, 438,019.56 and 174,173.28 is: 240,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,416.38 : 438,019.56 = 174,173.28 : x
  2. Step 2: Convert to fraction form
    317,416.38/438,019.56 = 174,173.28/x
  3. Step 3: Cross multiply
    317,416.38x = 438,019.56 × 174,173.28
  4. Step 4: Simplify right side
    317,416.38x = 76,291,303,469.36
  5. Step 5: Solve for x
    x = 76,291,303,469.36/317,416.38
  6. Step 6: Final answer
    x = 240,350.87

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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.