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Finding the Fourth Proportional to 360,513.60, 497,499.36 and 199,364.16

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Solution

The fourth proportional to 360,513.60, 497,499.36 and 199,364.16 is: 275,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,513.60 : 497,499.36 = 199,364.16 : x
  2. Step 2: Convert to fraction form
    360,513.60/497,499.36 = 199,364.16/x
  3. Step 3: Cross multiply
    360,513.60x = 497,499.36 × 199,364.16
  4. Step 4: Simplify right side
    360,513.60x = 99,183,542,006.94
  5. Step 5: Solve for x
    x = 99,183,542,006.94/360,513.60
  6. Step 6: Final answer
    x = 275,117.34

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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.