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Finding the Fourth Proportional to 220,597.50, 330,865.01 and 70,818.07

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Solution

The fourth proportional to 220,597.50, 330,865.01 and 70,818.07 is: 106,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,597.50 : 330,865.01 = 70,818.07 : x
  2. Step 2: Convert to fraction form
    220,597.50/330,865.01 = 70,818.07/x
  3. Step 3: Cross multiply
    220,597.50x = 330,865.01 × 70,818.07
  4. Step 4: Simplify right side
    220,597.50x = 23,431,219,430.32
  5. Step 5: Solve for x
    x = 23,431,219,430.32/220,597.50
  6. Step 6: Final answer
    x = 106,217.07

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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.