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Finding the Fourth Proportional to 300,582.19, 450,902.84 and 87,351.95

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Solution

The fourth proportional to 300,582.19, 450,902.84 and 87,351.95 is: 131,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,582.19 : 450,902.84 = 87,351.95 : x
  2. Step 2: Convert to fraction form
    300,582.19/450,902.84 = 87,351.95/x
  3. Step 3: Cross multiply
    300,582.19x = 450,902.84 × 87,351.95
  4. Step 4: Simplify right side
    300,582.19x = 39,387,243,025.04
  5. Step 5: Solve for x
    x = 39,387,243,025.04/300,582.19
  6. Step 6: Final answer
    x = 131,036.52

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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.