Home / 317,712.75-438,542.01-204,535.50

Finding the Fourth Proportional to 317,712.75, 438,542.01 and 204,535.50

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Solution

The fourth proportional to 317,712.75, 438,542.01 and 204,535.50 is: 282,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,712.75 : 438,542.01 = 204,535.50 : x
  2. Step 2: Convert to fraction form
    317,712.75/438,542.01 = 204,535.50/x
  3. Step 3: Cross multiply
    317,712.75x = 438,542.01 × 204,535.50
  4. Step 4: Simplify right side
    317,712.75x = 89,697,409,286.36
  5. Step 5: Solve for x
    x = 89,697,409,286.36/317,712.75
  6. Step 6: Final answer
    x = 282,322.35

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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.