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Finding the Fourth Proportional to 169,197.40, 233,486.22 and 97,580.44

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Solution

The fourth proportional to 169,197.40, 233,486.22 and 97,580.44 is: 134,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,197.40 : 233,486.22 = 97,580.44 : x
  2. Step 2: Convert to fraction form
    169,197.40/233,486.22 = 97,580.44/x
  3. Step 3: Cross multiply
    169,197.40x = 233,486.22 × 97,580.44
  4. Step 4: Simplify right side
    169,197.40x = 22,783,688,081.54
  5. Step 5: Solve for x
    x = 22,783,688,081.54/169,197.40
  6. Step 6: Final answer
    x = 134,657.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.