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Finding the Fourth Proportional to 321,730.55, 482,599.27 and 97,093.00

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Solution

The fourth proportional to 321,730.55, 482,599.27 and 97,093.00 is: 145,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,730.55 : 482,599.27 = 97,093.00 : x
  2. Step 2: Convert to fraction form
    321,730.55/482,599.27 = 97,093.00/x
  3. Step 3: Cross multiply
    321,730.55x = 482,599.27 × 97,093.00
  4. Step 4: Simplify right side
    321,730.55x = 46,857,008,385.96
  5. Step 5: Solve for x
    x = 46,857,008,385.96/321,730.55
  6. Step 6: Final answer
    x = 145,640.53

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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.