Home / 317,876.48-438,559.25-203,222.24

Finding the Fourth Proportional to 317,876.48, 438,559.25 and 203,222.24

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Solution

The fourth proportional to 317,876.48, 438,559.25 and 203,222.24 is: 280,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,876.48 : 438,559.25 = 203,222.24 : x
  2. Step 2: Convert to fraction form
    317,876.48/438,559.25 = 203,222.24/x
  3. Step 3: Cross multiply
    317,876.48x = 438,559.25 × 203,222.24
  4. Step 4: Simplify right side
    317,876.48x = 89,124,991,593.41
  5. Step 5: Solve for x
    x = 89,124,991,593.41/317,876.48
  6. Step 6: Final answer
    x = 280,376.17

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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.