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Finding the Fourth Proportional to 265,239.94, 397,855.98 and 65,560.36

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Solution

The fourth proportional to 265,239.94, 397,855.98 and 65,560.36 is: 98,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,239.94 : 397,855.98 = 65,560.36 : x
  2. Step 2: Convert to fraction form
    265,239.94/397,855.98 = 65,560.36/x
  3. Step 3: Cross multiply
    265,239.94x = 397,855.98 × 65,560.36
  4. Step 4: Simplify right side
    265,239.94x = 26,083,581,276.95
  5. Step 5: Solve for x
    x = 26,083,581,276.95/265,239.94
  6. Step 6: Final answer
    x = 98,339.57

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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.