Home / 220,226.94-330,389.64-70,476.24

Finding the Fourth Proportional to 220,226.94, 330,389.64 and 70,476.24

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Solution

The fourth proportional to 220,226.94, 330,389.64 and 70,476.24 is: 105,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,226.94 : 330,389.64 = 70,476.24 : x
  2. Step 2: Convert to fraction form
    220,226.94/330,389.64 = 70,476.24/x
  3. Step 3: Cross multiply
    220,226.94x = 330,389.64 × 70,476.24
  4. Step 4: Simplify right side
    220,226.94x = 23,284,619,562.15
  5. Step 5: Solve for x
    x = 23,284,619,562.15/220,226.94
  6. Step 6: Final answer
    x = 105,730.11

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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.