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Finding the Fourth Proportional to 351,383.59, 526,570.98 and 199,701.46

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Solution

The fourth proportional to 351,383.59, 526,570.98 and 199,701.46 is: 299,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,383.59 : 526,570.98 = 199,701.46 : x
  2. Step 2: Convert to fraction form
    351,383.59/526,570.98 = 199,701.46/x
  3. Step 3: Cross multiply
    351,383.59x = 526,570.98 × 199,701.46
  4. Step 4: Simplify right side
    351,383.59x = 105,156,993,499.63
  5. Step 5: Solve for x
    x = 105,156,993,499.63/351,383.59
  6. Step 6: Final answer
    x = 299,265.52

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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.