Home / 384,007.10-576,318.73-173,663.42

Finding the Fourth Proportional to 384,007.10, 576,318.73 and 173,663.42

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Solution

The fourth proportional to 384,007.10, 576,318.73 and 173,663.42 is: 260,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,007.10 : 576,318.73 = 173,663.42 : x
  2. Step 2: Convert to fraction form
    384,007.10/576,318.73 = 173,663.42/x
  3. Step 3: Cross multiply
    384,007.10x = 576,318.73 × 173,663.42
  4. Step 4: Simplify right side
    384,007.10x = 100,085,481,661.86
  5. Step 5: Solve for x
    x = 100,085,481,661.86/384,007.10
  6. Step 6: Final answer
    x = 260,634.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.