Home / 317,443.20-438,056.96-174,199.68

Finding the Fourth Proportional to 317,443.20, 438,056.96 and 174,199.68

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Solution

The fourth proportional to 317,443.20, 438,056.96 and 174,199.68 is: 240,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,443.20 : 438,056.96 = 174,199.68 : x
  2. Step 2: Convert to fraction form
    317,443.20/438,056.96 = 174,199.68/x
  3. Step 3: Cross multiply
    317,443.20x = 438,056.96 × 174,199.68
  4. Step 4: Simplify right side
    317,443.20x = 76,309,382,253.77
  5. Step 5: Solve for x
    x = 76,309,382,253.77/317,443.20
  6. Step 6: Final answer
    x = 240,387.52

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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.