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Finding the Fourth Proportional to 236,328.22, 353,659.64 and 147,623.50

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Solution

The fourth proportional to 236,328.22, 353,659.64 and 147,623.50 is: 220,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,328.22 : 353,659.64 = 147,623.50 : x
  2. Step 2: Convert to fraction form
    236,328.22/353,659.64 = 147,623.50/x
  3. Step 3: Cross multiply
    236,328.22x = 353,659.64 × 147,623.50
  4. Step 4: Simplify right side
    236,328.22x = 52,208,473,865.54
  5. Step 5: Solve for x
    x = 52,208,473,865.54/236,328.22
  6. Step 6: Final answer
    x = 220,915.11

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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.