Home / 290,767.57-436,260.75-101,242.15

Finding the Fourth Proportional to 290,767.57, 436,260.75 and 101,242.15

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Solution

The fourth proportional to 290,767.57, 436,260.75 and 101,242.15 is: 151,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,767.57 : 436,260.75 = 101,242.15 : x
  2. Step 2: Convert to fraction form
    290,767.57/436,260.75 = 101,242.15/x
  3. Step 3: Cross multiply
    290,767.57x = 436,260.75 × 101,242.15
  4. Step 4: Simplify right side
    290,767.57x = 44,167,976,290.61
  5. Step 5: Solve for x
    x = 44,167,976,290.61/290,767.57
  6. Step 6: Final answer
    x = 151,901.32

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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.