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Finding the Fourth Proportional to 368,314.71, 508,270.62 and 204,968.46

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Solution

The fourth proportional to 368,314.71, 508,270.62 and 204,968.46 is: 282,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,314.71 : 508,270.62 = 204,968.46 : x
  2. Step 2: Convert to fraction form
    368,314.71/508,270.62 = 204,968.46/x
  3. Step 3: Cross multiply
    368,314.71x = 508,270.62 × 204,968.46
  4. Step 4: Simplify right side
    368,314.71x = 104,179,446,244.65
  5. Step 5: Solve for x
    x = 104,179,446,244.65/368,314.71
  6. Step 6: Final answer
    x = 282,854.43

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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.