Home / 317,827.78-438,476.93-204,716.18

Finding the Fourth Proportional to 317,827.78, 438,476.93 and 204,716.18

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Solution

The fourth proportional to 317,827.78, 438,476.93 and 204,716.18 is: 282,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,827.78 : 438,476.93 = 204,716.18 : x
  2. Step 2: Convert to fraction form
    317,827.78/438,476.93 = 204,716.18/x
  3. Step 3: Cross multiply
    317,827.78x = 438,476.93 × 204,716.18
  4. Step 4: Simplify right side
    317,827.78x = 89,763,322,127.73
  5. Step 5: Solve for x
    x = 89,763,322,127.73/317,827.78
  6. Step 6: Final answer
    x = 282,427.55

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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.