Home / 317,674.28-438,397.44-174,440.36

Finding the Fourth Proportional to 317,674.28, 438,397.44 and 174,440.36

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Solution

The fourth proportional to 317,674.28, 438,397.44 and 174,440.36 is: 240,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,674.28 : 438,397.44 = 174,440.36 : x
  2. Step 2: Convert to fraction form
    317,674.28/438,397.44 = 174,440.36/x
  3. Step 3: Cross multiply
    317,674.28x = 438,397.44 × 174,440.36
  4. Step 4: Simplify right side
    317,674.28x = 76,474,207,256.68
  5. Step 5: Solve for x
    x = 76,474,207,256.68/317,674.28
  6. Step 6: Final answer
    x = 240,731.50

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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.