Home / 317,463.27-438,107.84-174,228.40

Finding the Fourth Proportional to 317,463.27, 438,107.84 and 174,228.40

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Solution

The fourth proportional to 317,463.27, 438,107.84 and 174,228.40 is: 240,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,463.27 : 438,107.84 = 174,228.40 : x
  2. Step 2: Convert to fraction form
    317,463.27/438,107.84 = 174,228.40/x
  3. Step 3: Cross multiply
    317,463.27x = 438,107.84 × 174,228.40
  4. Step 4: Simplify right side
    317,463.27x = 76,330,827,990.66
  5. Step 5: Solve for x
    x = 76,330,827,990.66/317,463.27
  6. Step 6: Final answer
    x = 240,439.87

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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.