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Finding the Fourth Proportional to 203,335.62, 280,598.37 and 118,447.20

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Solution

The fourth proportional to 203,335.62, 280,598.37 and 118,447.20 is: 163,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,335.62 : 280,598.37 = 118,447.20 : x
  2. Step 2: Convert to fraction form
    203,335.62/280,598.37 = 118,447.20/x
  3. Step 3: Cross multiply
    203,335.62x = 280,598.37 × 118,447.20
  4. Step 4: Simplify right side
    203,335.62x = 33,236,091,251.06
  5. Step 5: Solve for x
    x = 33,236,091,251.06/203,335.62
  6. Step 6: Final answer
    x = 163,454.35

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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.