Home / 427,234.80-589,572.36-236,241.66

Finding the Fourth Proportional to 427,234.80, 589,572.36 and 236,241.66

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Solution

The fourth proportional to 427,234.80, 589,572.36 and 236,241.66 is: 326,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,234.80 : 589,572.36 = 236,241.66 : x
  2. Step 2: Convert to fraction form
    427,234.80/589,572.36 = 236,241.66/x
  3. Step 3: Cross multiply
    427,234.80x = 589,572.36 × 236,241.66
  4. Step 4: Simplify right side
    427,234.80x = 139,281,553,016.52
  5. Step 5: Solve for x
    x = 139,281,553,016.52/427,234.80
  6. Step 6: Final answer
    x = 326,007.04

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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.