Home / 290,948.60-436,617.30-133,095.80

Finding the Fourth Proportional to 290,948.60, 436,617.30 and 133,095.80

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Solution

The fourth proportional to 290,948.60, 436,617.30 and 133,095.80 is: 199,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,948.60 : 436,617.30 = 133,095.80 : x
  2. Step 2: Convert to fraction form
    290,948.60/436,617.30 = 133,095.80/x
  3. Step 3: Cross multiply
    290,948.60x = 436,617.30 × 133,095.80
  4. Step 4: Simplify right side
    290,948.60x = 58,111,928,837.34
  5. Step 5: Solve for x
    x = 58,111,928,837.34/290,948.60
  6. Step 6: Final answer
    x = 199,732.63

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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.