Home / 290,946.06-436,419.09-91,282.41

Finding the Fourth Proportional to 290,946.06, 436,419.09 and 91,282.41

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Solution

The fourth proportional to 290,946.06, 436,419.09 and 91,282.41 is: 136,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,946.06 : 436,419.09 = 91,282.41 : x
  2. Step 2: Convert to fraction form
    290,946.06/436,419.09 = 91,282.41/x
  3. Step 3: Cross multiply
    290,946.06x = 436,419.09 × 91,282.41
  4. Step 4: Simplify right side
    290,946.06x = 39,837,386,305.21
  5. Step 5: Solve for x
    x = 39,837,386,305.21/290,946.06
  6. Step 6: Final answer
    x = 136,923.62

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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.