Home / 317,633.10-438,334.54-174,402.42

Finding the Fourth Proportional to 317,633.10, 438,334.54 and 174,402.42

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Solution

The fourth proportional to 317,633.10, 438,334.54 and 174,402.42 is: 240,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,633.10 : 438,334.54 = 174,402.42 : x
  2. Step 2: Convert to fraction form
    317,633.10/438,334.54 = 174,402.42/x
  3. Step 3: Cross multiply
    317,633.10x = 438,334.54 × 174,402.42
  4. Step 4: Simplify right side
    317,633.10x = 76,446,604,545.59
  5. Step 5: Solve for x
    x = 76,446,604,545.59/317,633.10
  6. Step 6: Final answer
    x = 240,675.81

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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.