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Finding the Fourth Proportional to 502,830.60, 753,662.70 and 203,114.40

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Solution

The fourth proportional to 502,830.60, 753,662.70 and 203,114.40 is: 304,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,830.60 : 753,662.70 = 203,114.40 : x
  2. Step 2: Convert to fraction form
    502,830.60/753,662.70 = 203,114.40/x
  3. Step 3: Cross multiply
    502,830.60x = 753,662.70 × 203,114.40
  4. Step 4: Simplify right side
    502,830.60x = 153,079,747,112.88
  5. Step 5: Solve for x
    x = 153,079,747,112.88/502,830.60
  6. Step 6: Final answer
    x = 304,436.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.