Home / 290,853.29-436,280.06-91,189.24

Finding the Fourth Proportional to 290,853.29, 436,280.06 and 91,189.24

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Solution

The fourth proportional to 290,853.29, 436,280.06 and 91,189.24 is: 136,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,853.29 : 436,280.06 = 91,189.24 : x
  2. Step 2: Convert to fraction form
    290,853.29/436,280.06 = 91,189.24/x
  3. Step 3: Cross multiply
    290,853.29x = 436,280.06 × 91,189.24
  4. Step 4: Simplify right side
    290,853.29x = 39,784,045,722.89
  5. Step 5: Solve for x
    x = 39,784,045,722.89/290,853.29
  6. Step 6: Final answer
    x = 136,783.90

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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.