Home / 328,288.20-492,821.10-186,246.60

Finding the Fourth Proportional to 328,288.20, 492,821.10 and 186,246.60

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Solution

The fourth proportional to 328,288.20, 492,821.10 and 186,246.60 is: 279,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,288.20 : 492,821.10 = 186,246.60 : x
  2. Step 2: Convert to fraction form
    328,288.20/492,821.10 = 186,246.60/x
  3. Step 3: Cross multiply
    328,288.20x = 492,821.10 × 186,246.60
  4. Step 4: Simplify right side
    328,288.20x = 91,786,254,283.26
  5. Step 5: Solve for x
    x = 91,786,254,283.26/328,288.20
  6. Step 6: Final answer
    x = 279,590.48

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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.