Home / 348,022.54-480,287.58-217,277.74

Finding the Fourth Proportional to 348,022.54, 480,287.58 and 217,277.74

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Solution

The fourth proportional to 348,022.54, 480,287.58 and 217,277.74 is: 299,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,022.54 : 480,287.58 = 217,277.74 : x
  2. Step 2: Convert to fraction form
    348,022.54/480,287.58 = 217,277.74/x
  3. Step 3: Cross multiply
    348,022.54x = 480,287.58 × 217,277.74
  4. Step 4: Simplify right side
    348,022.54x = 104,355,797,531.03
  5. Step 5: Solve for x
    x = 104,355,797,531.03/348,022.54
  6. Step 6: Final answer
    x = 299,853.56

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1.5x scale

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.