Home / 317,955.03-438,652.22-204,843.75

Finding the Fourth Proportional to 317,955.03, 438,652.22 and 204,843.75

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Solution

The fourth proportional to 317,955.03, 438,652.22 and 204,843.75 is: 282,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,955.03 : 438,652.22 = 204,843.75 : x
  2. Step 2: Convert to fraction form
    317,955.03/438,652.22 = 204,843.75/x
  3. Step 3: Cross multiply
    317,955.03x = 438,652.22 × 204,843.75
  4. Step 4: Simplify right side
    317,955.03x = 89,855,164,666.41
  5. Step 5: Solve for x
    x = 89,855,164,666.41/317,955.03
  6. Step 6: Final answer
    x = 282,603.38

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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.