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Finding the Fourth Proportional to 220,246.20, 330,369.30 and 153,816.08

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Solution

The fourth proportional to 220,246.20, 330,369.30 and 153,816.08 is: 230,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,246.20 : 330,369.30 = 153,816.08 : x
  2. Step 2: Convert to fraction form
    220,246.20/330,369.30 = 153,816.08/x
  3. Step 3: Cross multiply
    220,246.20x = 330,369.30 × 153,816.08
  4. Step 4: Simplify right side
    220,246.20x = 50,816,109,026.50
  5. Step 5: Solve for x
    x = 50,816,109,026.50/220,246.20
  6. Step 6: Final answer
    x = 230,724.11

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1.5x scale

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.