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Finding the Fourth Proportional to 369,995.80, 510,592.28 and 200,229.92

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Solution

The fourth proportional to 369,995.80, 510,592.28 and 200,229.92 is: 276,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,995.80 : 510,592.28 = 200,229.92 : x
  2. Step 2: Convert to fraction form
    369,995.80/510,592.28 = 200,229.92/x
  3. Step 3: Cross multiply
    369,995.80x = 510,592.28 × 200,229.92
  4. Step 4: Simplify right side
    369,995.80x = 102,235,851,377.02
  5. Step 5: Solve for x
    x = 102,235,851,377.02/369,995.80
  6. Step 6: Final answer
    x = 276,316.25

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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.