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Finding the Fourth Proportional to 290,744.40, 436,145.40 and 101,175.60

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Solution

The fourth proportional to 290,744.40, 436,145.40 and 101,175.60 is: 151,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,744.40 : 436,145.40 = 101,175.60 : x
  2. Step 2: Convert to fraction form
    290,744.40/436,145.40 = 101,175.60/x
  3. Step 3: Cross multiply
    290,744.40x = 436,145.40 × 101,175.60
  4. Step 4: Simplify right side
    290,744.40x = 44,127,272,532.24
  5. Step 5: Solve for x
    x = 44,127,272,532.24/290,744.40
  6. Step 6: Final answer
    x = 151,773.42

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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.