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Finding the Fourth Proportional to 58,143.30, 80,226.90 and 34,277.46

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Solution

The fourth proportional to 58,143.30, 80,226.90 and 34,277.46 is: 47,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,143.30 : 80,226.90 = 34,277.46 : x
  2. Step 2: Convert to fraction form
    58,143.30/80,226.90 = 34,277.46/x
  3. Step 3: Cross multiply
    58,143.30x = 80,226.90 × 34,277.46
  4. Step 4: Simplify right side
    58,143.30x = 2,749,974,355.67
  5. Step 5: Solve for x
    x = 2,749,974,355.67/58,143.30
  6. Step 6: Final answer
    x = 47,296.50

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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.