Home / 290,768.07-436,261.50-101,242.65

Finding the Fourth Proportional to 290,768.07, 436,261.50 and 101,242.65

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Solution

The fourth proportional to 290,768.07, 436,261.50 and 101,242.65 is: 151,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,768.07 : 436,261.50 = 101,242.65 : x
  2. Step 2: Convert to fraction form
    290,768.07/436,261.50 = 101,242.65/x
  3. Step 3: Cross multiply
    290,768.07x = 436,261.50 × 101,242.65
  4. Step 4: Simplify right side
    290,768.07x = 44,168,270,352.98
  5. Step 5: Solve for x
    x = 44,168,270,352.98/290,768.07
  6. Step 6: Final answer
    x = 151,902.07

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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.