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Finding the Fourth Proportional to 236,506.80, 354,803.40 and 96,279.60

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Solution

The fourth proportional to 236,506.80, 354,803.40 and 96,279.60 is: 144,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,506.80 : 354,803.40 = 96,279.60 : x
  2. Step 2: Convert to fraction form
    236,506.80/354,803.40 = 96,279.60/x
  3. Step 3: Cross multiply
    236,506.80x = 354,803.40 × 96,279.60
  4. Step 4: Simplify right side
    236,506.80x = 34,160,329,430.64
  5. Step 5: Solve for x
    x = 34,160,329,430.64/236,506.80
  6. Step 6: Final answer
    x = 144,436.99

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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.