Home / 220,114.32-330,155.33-70,314.39

Finding the Fourth Proportional to 220,114.32, 330,155.33 and 70,314.39

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Solution

The fourth proportional to 220,114.32, 330,155.33 and 70,314.39 is: 105,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,114.32 : 330,155.33 = 70,314.39 : x
  2. Step 2: Convert to fraction form
    220,114.32/330,155.33 = 70,314.39/x
  3. Step 3: Cross multiply
    220,114.32x = 330,155.33 × 70,314.39
  4. Step 4: Simplify right side
    220,114.32x = 23,214,669,308.22
  5. Step 5: Solve for x
    x = 23,214,669,308.22/220,114.32
  6. Step 6: Final answer
    x = 105,466.42

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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.