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Finding the Fourth Proportional to 240,239.90, 360,359.79 and 220,193.03

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Solution

The fourth proportional to 240,239.90, 360,359.79 and 220,193.03 is: 330,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,239.90 : 360,359.79 = 220,193.03 : x
  2. Step 2: Convert to fraction form
    240,239.90/360,359.79 = 220,193.03/x
  3. Step 3: Cross multiply
    240,239.90x = 360,359.79 × 220,193.03
  4. Step 4: Simplify right side
    240,239.90x = 79,348,713,599.81
  5. Step 5: Solve for x
    x = 79,348,713,599.81/240,239.90
  6. Step 6: Final answer
    x = 330,289.50

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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.