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Finding the Fourth Proportional to 360,369.60, 497,311.20 and 199,233.60

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Solution

The fourth proportional to 360,369.60, 497,311.20 and 199,233.60 is: 274,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,369.60 : 497,311.20 = 199,233.60 : x
  2. Step 2: Convert to fraction form
    360,369.60/497,311.20 = 199,233.60/x
  3. Step 3: Cross multiply
    360,369.60x = 497,311.20 × 199,233.60
  4. Step 4: Simplify right side
    360,369.60x = 99,081,100,696.32
  5. Step 5: Solve for x
    x = 99,081,100,696.32/360,369.60
  6. Step 6: Final answer
    x = 274,943.00

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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.