Home / 348,358.12-480,836.25-227,518.17

Finding the Fourth Proportional to 348,358.12, 480,836.25 and 227,518.17

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Solution

The fourth proportional to 348,358.12, 480,836.25 and 227,518.17 is: 314,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,358.12 : 480,836.25 = 227,518.17 : x
  2. Step 2: Convert to fraction form
    348,358.12/480,836.25 = 227,518.17/x
  3. Step 3: Cross multiply
    348,358.12x = 480,836.25 × 227,518.17
  4. Step 4: Simplify right side
    348,358.12x = 109,398,981,866.53
  5. Step 5: Solve for x
    x = 109,398,981,866.53/348,358.12
  6. Step 6: Final answer
    x = 314,041.72

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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.