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Finding the Fourth Proportional to 281,010.01, 387,427.71 and 204,541.57

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Solution

The fourth proportional to 281,010.01, 387,427.71 and 204,541.57 is: 282,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,010.01 : 387,427.71 = 204,541.57 : x
  2. Step 2: Convert to fraction form
    281,010.01/387,427.71 = 204,541.57/x
  3. Step 3: Cross multiply
    281,010.01x = 387,427.71 × 204,541.57
  4. Step 4: Simplify right side
    281,010.01x = 79,245,072,064.90
  5. Step 5: Solve for x
    x = 79,245,072,064.90/281,010.01
  6. Step 6: Final answer
    x = 282,000.89

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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.