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Finding the Fourth Proportional to 286,266.60, 429,032.70 and 159,906.60

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Solution

The fourth proportional to 286,266.60, 429,032.70 and 159,906.60 is: 239,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,266.60 : 429,032.70 = 159,906.60 : x
  2. Step 2: Convert to fraction form
    286,266.60/429,032.70 = 159,906.60/x
  3. Step 3: Cross multiply
    286,266.60x = 429,032.70 × 159,906.60
  4. Step 4: Simplify right side
    286,266.60x = 68,605,160,345.82
  5. Step 5: Solve for x
    x = 68,605,160,345.82/286,266.60
  6. Step 6: Final answer
    x = 239,654.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.