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Finding the Fourth Proportional to 668,271.60, 1,002,310.20 and 194,907.60

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Solution

The fourth proportional to 668,271.60, 1,002,310.20 and 194,907.60 is: 292,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,271.60 : 1,002,310.20 = 194,907.60 : x
  2. Step 2: Convert to fraction form
    668,271.60/1,002,310.20 = 194,907.60/x
  3. Step 3: Cross multiply
    668,271.60x = 1,002,310.20 × 194,907.60
  4. Step 4: Simplify right side
    668,271.60x = 195,357,875,537.52
  5. Step 5: Solve for x
    x = 195,357,875,537.52/668,271.60
  6. Step 6: Final answer
    x = 292,333.05

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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.