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Finding the Fourth Proportional to 360,380.79, 497,322.72 and 199,242.63

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Solution

The fourth proportional to 360,380.79, 497,322.72 and 199,242.63 is: 274,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,380.79 : 497,322.72 = 199,242.63 : x
  2. Step 2: Convert to fraction form
    360,380.79/497,322.72 = 199,242.63/x
  3. Step 3: Cross multiply
    360,380.79x = 497,322.72 × 199,242.63
  4. Step 4: Simplify right side
    360,380.79x = 99,087,886,691.55
  5. Step 5: Solve for x
    x = 99,087,886,691.55/360,380.79
  6. Step 6: Final answer
    x = 274,953.30

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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.