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Finding the Fourth Proportional to 144,367.48, 216,583.98 and 65,504.26

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Solution

The fourth proportional to 144,367.48, 216,583.98 and 65,504.26 is: 98,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,367.48 : 216,583.98 = 65,504.26 : x
  2. Step 2: Convert to fraction form
    144,367.48/216,583.98 = 65,504.26/x
  3. Step 3: Cross multiply
    144,367.48x = 216,583.98 × 65,504.26
  4. Step 4: Simplify right side
    144,367.48x = 14,187,173,337.75
  5. Step 5: Solve for x
    x = 14,187,173,337.75/144,367.48
  6. Step 6: Final answer
    x = 98,271.25

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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.