Home / 317,464.27-438,109.22-174,229.40

Finding the Fourth Proportional to 317,464.27, 438,109.22 and 174,229.40

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Solution

The fourth proportional to 317,464.27, 438,109.22 and 174,229.40 is: 240,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,464.27 : 438,109.22 = 174,229.40 : x
  2. Step 2: Convert to fraction form
    317,464.27/438,109.22 = 174,229.40/x
  3. Step 3: Cross multiply
    317,464.27x = 438,109.22 × 174,229.40
  4. Step 4: Simplify right side
    317,464.27x = 76,331,506,535.07
  5. Step 5: Solve for x
    x = 76,331,506,535.07/317,464.27
  6. Step 6: Final answer
    x = 240,441.25

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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.