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Finding the Fourth Proportional to 183,469.10, 274,875.60 and 155,256.80

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Solution

The fourth proportional to 183,469.10, 274,875.60 and 155,256.80 is: 232,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,469.10 : 274,875.60 = 155,256.80 : x
  2. Step 2: Convert to fraction form
    183,469.10/274,875.60 = 155,256.80/x
  3. Step 3: Cross multiply
    183,469.10x = 274,875.60 × 155,256.80
  4. Step 4: Simplify right side
    183,469.10x = 42,676,306,054.08
  5. Step 5: Solve for x
    x = 42,676,306,054.08/183,469.10
  6. Step 6: Final answer
    x = 232,607.59

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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.