Home / 348,865.28-481,488.96-212,928.64

Finding the Fourth Proportional to 348,865.28, 481,488.96 and 212,928.64

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Solution

The fourth proportional to 348,865.28, 481,488.96 and 212,928.64 is: 293,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,865.28 : 481,488.96 = 212,928.64 : x
  2. Step 2: Convert to fraction form
    348,865.28/481,488.96 = 212,928.64/x
  3. Step 3: Cross multiply
    348,865.28x = 481,488.96 × 212,928.64
  4. Step 4: Simplify right side
    348,865.28x = 102,522,789,427.81
  5. Step 5: Solve for x
    x = 102,522,789,427.81/348,865.28
  6. Step 6: Final answer
    x = 293,875.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.