Home / 290,933.10-436,399.65-202,359.60

Finding the Fourth Proportional to 290,933.10, 436,399.65 and 202,359.60

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Solution

The fourth proportional to 290,933.10, 436,399.65 and 202,359.60 is: 303,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,933.10 : 436,399.65 = 202,359.60 : x
  2. Step 2: Convert to fraction form
    290,933.10/436,399.65 = 202,359.60/x
  3. Step 3: Cross multiply
    290,933.10x = 436,399.65 × 202,359.60
  4. Step 4: Simplify right side
    290,933.10x = 88,309,658,614.14
  5. Step 5: Solve for x
    x = 88,309,658,614.14/290,933.10
  6. Step 6: Final answer
    x = 303,539.40

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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.