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Finding the Fourth Proportional to 286,525.00, 429,854.73 and 281,764.63

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Solution

The fourth proportional to 286,525.00, 429,854.73 and 281,764.63 is: 422,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,525.00 : 429,854.73 = 281,764.63 : x
  2. Step 2: Convert to fraction form
    286,525.00/429,854.73 = 281,764.63/x
  3. Step 3: Cross multiply
    286,525.00x = 429,854.73 × 281,764.63
  4. Step 4: Simplify right side
    286,525.00x = 121,117,856,820.95
  5. Step 5: Solve for x
    x = 121,117,856,820.95/286,525.00
  6. Step 6: Final answer
    x = 422,713.05

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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.