Home / 317,449.57-438,093.03-174,214.78

Finding the Fourth Proportional to 317,449.57, 438,093.03 and 174,214.78

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Solution

The fourth proportional to 317,449.57, 438,093.03 and 174,214.78 is: 240,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,449.57 : 438,093.03 = 174,214.78 : x
  2. Step 2: Convert to fraction form
    317,449.57/438,093.03 = 174,214.78/x
  3. Step 3: Cross multiply
    317,449.57x = 438,093.03 × 174,214.78
  4. Step 4: Simplify right side
    317,449.57x = 76,322,280,840.98
  5. Step 5: Solve for x
    x = 76,322,280,840.98/317,449.57
  6. Step 6: Final answer
    x = 240,423.32

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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.