Home / 219,236.18-328,863.42-69,473.16

Finding the Fourth Proportional to 219,236.18, 328,863.42 and 69,473.16

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Solution

The fourth proportional to 219,236.18, 328,863.42 and 69,473.16 is: 104,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,236.18 : 328,863.42 = 69,473.16 : x
  2. Step 2: Convert to fraction form
    219,236.18/328,863.42 = 69,473.16/x
  3. Step 3: Cross multiply
    219,236.18x = 328,863.42 × 69,473.16
  4. Step 4: Simplify right side
    219,236.18x = 22,847,180,995.81
  5. Step 5: Solve for x
    x = 22,847,180,995.81/219,236.18
  6. Step 6: Final answer
    x = 104,212.64

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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.