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Finding the Fourth Proportional to 385,003.53, 577,024.16 and 185,270.29

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Solution

The fourth proportional to 385,003.53, 577,024.16 and 185,270.29 is: 277,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,003.53 : 577,024.16 = 185,270.29 : x
  2. Step 2: Convert to fraction form
    385,003.53/577,024.16 = 185,270.29/x
  3. Step 3: Cross multiply
    385,003.53x = 577,024.16 × 185,270.29
  4. Step 4: Simplify right side
    385,003.53x = 106,905,431,091.30
  5. Step 5: Solve for x
    x = 106,905,431,091.30/385,003.53
  6. Step 6: Final answer
    x = 277,673.90

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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.