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Finding the Fourth Proportional to 220,071.84, 330,104.08 and 70,311.04

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Solution

The fourth proportional to 220,071.84, 330,104.08 and 70,311.04 is: 105,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,071.84 : 330,104.08 = 70,311.04 : x
  2. Step 2: Convert to fraction form
    220,071.84/330,104.08 = 70,311.04/x
  3. Step 3: Cross multiply
    220,071.84x = 330,104.08 × 70,311.04
  4. Step 4: Simplify right side
    220,071.84x = 23,209,961,173.04
  5. Step 5: Solve for x
    x = 23,209,961,173.04/220,071.84
  6. Step 6: Final answer
    x = 105,465.38

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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.