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Finding the Fourth Proportional to 371,209.52, 512,269.46 and 201,443.64

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Solution

The fourth proportional to 371,209.52, 512,269.46 and 201,443.64 is: 277,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,209.52 : 512,269.46 = 201,443.64 : x
  2. Step 2: Convert to fraction form
    371,209.52/512,269.46 = 201,443.64/x
  3. Step 3: Cross multiply
    371,209.52x = 512,269.46 × 201,443.64
  4. Step 4: Simplify right side
    371,209.52x = 103,193,423,676.02
  5. Step 5: Solve for x
    x = 103,193,423,676.02/371,209.52
  6. Step 6: Final answer
    x = 277,992.40

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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.