Home / 311,844.24-430,344.70-168,603.94

Finding the Fourth Proportional to 311,844.24, 430,344.70 and 168,603.94

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Solution

The fourth proportional to 311,844.24, 430,344.70 and 168,603.94 is: 232,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,844.24 : 430,344.70 = 168,603.94 : x
  2. Step 2: Convert to fraction form
    311,844.24/430,344.70 = 168,603.94/x
  3. Step 3: Cross multiply
    311,844.24x = 430,344.70 × 168,603.94
  4. Step 4: Simplify right side
    311,844.24x = 72,557,811,978.12
  5. Step 5: Solve for x
    x = 72,557,811,978.12/311,844.24
  6. Step 6: Final answer
    x = 232,673.25

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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.