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Finding the Fourth Proportional to 360,485.87, 497,473.72 and 199,351.76

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Solution

The fourth proportional to 360,485.87, 497,473.72 and 199,351.76 is: 275,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,485.87 : 497,473.72 = 199,351.76 : x
  2. Step 2: Convert to fraction form
    360,485.87/497,473.72 = 199,351.76/x
  3. Step 3: Cross multiply
    360,485.87x = 497,473.72 × 199,351.76
  4. Step 4: Simplify right side
    360,485.87x = 99,172,258,650.00
  5. Step 5: Solve for x
    x = 99,172,258,650.00/360,485.87
  6. Step 6: Final answer
    x = 275,107.20

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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.