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Finding the Fourth Proportional to 341,351.01, 511,981.55 and 101,459.79

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Solution

The fourth proportional to 341,351.01, 511,981.55 and 101,459.79 is: 152,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,351.01 : 511,981.55 = 101,459.79 : x
  2. Step 2: Convert to fraction form
    341,351.01/511,981.55 = 101,459.79/x
  3. Step 3: Cross multiply
    341,351.01x = 511,981.55 × 101,459.79
  4. Step 4: Simplify right side
    341,351.01x = 51,945,540,546.87
  5. Step 5: Solve for x
    x = 51,945,540,546.87/341,351.01
  6. Step 6: Final answer
    x = 152,176.32

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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.