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Finding the Fourth Proportional to 290,967.44, 436,342.25 and 101,379.14

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Solution

The fourth proportional to 290,967.44, 436,342.25 and 101,379.14 is: 152,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,967.44 : 436,342.25 = 101,379.14 : x
  2. Step 2: Convert to fraction form
    290,967.44/436,342.25 = 101,379.14/x
  3. Step 3: Cross multiply
    290,967.44x = 436,342.25 × 101,379.14
  4. Step 4: Simplify right side
    290,967.44x = 44,236,000,122.40
  5. Step 5: Solve for x
    x = 44,236,000,122.40/290,967.44
  6. Step 6: Final answer
    x = 152,030.76

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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.