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Finding the Fourth Proportional to 290,829.80, 436,244.70 and 244,519.40

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Solution

The fourth proportional to 290,829.80, 436,244.70 and 244,519.40 is: 366,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,829.80 : 436,244.70 = 244,519.40 : x
  2. Step 2: Convert to fraction form
    290,829.80/436,244.70 = 244,519.40/x
  3. Step 3: Cross multiply
    290,829.80x = 436,244.70 × 244,519.40
  4. Step 4: Simplify right side
    290,829.80x = 106,670,292,297.18
  5. Step 5: Solve for x
    x = 106,670,292,297.18/290,829.80
  6. Step 6: Final answer
    x = 366,779.10

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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.