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Finding the Fourth Proportional to 511,307, 767,073 and 151,449.92

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Solution

The fourth proportional to 511,307, 767,073 and 151,449.92 is: 227,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,307 : 767,073 = 151,449.92 : x
  2. Step 2: Convert to fraction form
    511,307/767,073 = 151,449.92/x
  3. Step 3: Cross multiply
    511,307x = 767,073 × 151,449.92
  4. Step 4: Simplify right side
    511,307x = 116,173,144,484.16
  5. Step 5: Solve for x
    x = 116,173,144,484.16/511,307
  6. Step 6: Final answer
    x = 227,208.20

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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.