Home / 348,183.12-480,315.84-227,395.11

Finding the Fourth Proportional to 348,183.12, 480,315.84 and 227,395.11

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Solution

The fourth proportional to 348,183.12, 480,315.84 and 227,395.11 is: 313,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,183.12 : 480,315.84 = 227,395.11 : x
  2. Step 2: Convert to fraction form
    348,183.12/480,315.84 = 227,395.11/x
  3. Step 3: Cross multiply
    348,183.12x = 480,315.84 × 227,395.11
  4. Step 4: Simplify right side
    348,183.12x = 109,221,473,271.54
  5. Step 5: Solve for x
    x = 109,221,473,271.54/348,183.12
  6. Step 6: Final answer
    x = 313,689.74

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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.