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Finding the Fourth Proportional to 287,602.88, 396,476.93 and 201,294.74

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Solution

The fourth proportional to 287,602.88, 396,476.93 and 201,294.74 is: 277,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,602.88 : 396,476.93 = 201,294.74 : x
  2. Step 2: Convert to fraction form
    287,602.88/396,476.93 = 201,294.74/x
  3. Step 3: Cross multiply
    287,602.88x = 396,476.93 × 201,294.74
  4. Step 4: Simplify right side
    287,602.88x = 79,808,722,034.78
  5. Step 5: Solve for x
    x = 79,808,722,034.78/287,602.88
  6. Step 6: Final answer
    x = 277,496.26

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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.