Home / 220,329.48-330,515.70-70,532.04

Finding the Fourth Proportional to 220,329.48, 330,515.70 and 70,532.04

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Solution

The fourth proportional to 220,329.48, 330,515.70 and 70,532.04 is: 105,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,329.48 : 330,515.70 = 70,532.04 : x
  2. Step 2: Convert to fraction form
    220,329.48/330,515.70 = 70,532.04/x
  3. Step 3: Cross multiply
    220,329.48x = 330,515.70 × 70,532.04
  4. Step 4: Simplify right side
    220,329.48x = 23,311,946,573.03
  5. Step 5: Solve for x
    x = 23,311,946,573.03/220,329.48
  6. Step 6: Final answer
    x = 105,804.94

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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.