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Finding the Fourth Proportional to 371,269.07, 512,308.80 and 207,902.80

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Solution

The fourth proportional to 371,269.07, 512,308.80 and 207,902.80 is: 286,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,269.07 : 512,308.80 = 207,902.80 : x
  2. Step 2: Convert to fraction form
    371,269.07/512,308.80 = 207,902.80/x
  3. Step 3: Cross multiply
    371,269.07x = 512,308.80 × 207,902.80
  4. Step 4: Simplify right side
    371,269.07x = 106,510,434,625.03
  5. Step 5: Solve for x
    x = 106,510,434,625.03/371,269.07
  6. Step 6: Final answer
    x = 286,882.06

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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.