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Finding the Fourth Proportional to 371,614.32, 512,827.92 and 201,852

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Solution

The fourth proportional to 371,614.32, 512,827.92 and 201,852 is: 278,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,614.32 : 512,827.92 = 201,852 : x
  2. Step 2: Convert to fraction form
    371,614.32/512,827.92 = 201,852/x
  3. Step 3: Cross multiply
    371,614.32x = 512,827.92 × 201,852
  4. Step 4: Simplify right side
    371,614.32x = 103,515,341,307.84
  5. Step 5: Solve for x
    x = 103,515,341,307.84/371,614.32
  6. Step 6: Final answer
    x = 278,555.85

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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.