Home / 317,439.02-438,078.48-174,204.19

Finding the Fourth Proportional to 317,439.02, 438,078.48 and 174,204.19

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Solution

The fourth proportional to 317,439.02, 438,078.48 and 174,204.19 is: 240,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,439.02 : 438,078.48 = 174,204.19 : x
  2. Step 2: Convert to fraction form
    317,439.02/438,078.48 = 174,204.19/x
  3. Step 3: Cross multiply
    317,439.02x = 438,078.48 × 174,204.19
  4. Step 4: Simplify right side
    317,439.02x = 76,315,104,138.93
  5. Step 5: Solve for x
    x = 76,315,104,138.93/317,439.02
  6. Step 6: Final answer
    x = 240,408.71

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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.