Home / 317,439.96-438,065.85-174,202.39

Finding the Fourth Proportional to 317,439.96, 438,065.85 and 174,202.39

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Solution

The fourth proportional to 317,439.96, 438,065.85 and 174,202.39 is: 240,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,439.96 : 438,065.85 = 174,202.39 : x
  2. Step 2: Convert to fraction form
    317,439.96/438,065.85 = 174,202.39/x
  3. Step 3: Cross multiply
    317,439.96x = 438,065.85 × 174,202.39
  4. Step 4: Simplify right side
    317,439.96x = 76,312,118,047.38
  5. Step 5: Solve for x
    x = 76,312,118,047.38/317,439.96
  6. Step 6: Final answer
    x = 240,398.59

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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.