Home / 389,250.81-537,074.44-236,285.21

Finding the Fourth Proportional to 389,250.81, 537,074.44 and 236,285.21

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Solution

The fourth proportional to 389,250.81, 537,074.44 and 236,285.21 is: 326,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,250.81 : 537,074.44 = 236,285.21 : x
  2. Step 2: Convert to fraction form
    389,250.81/537,074.44 = 236,285.21/x
  3. Step 3: Cross multiply
    389,250.81x = 537,074.44 × 236,285.21
  4. Step 4: Simplify right side
    389,250.81x = 126,902,747,593.01
  5. Step 5: Solve for x
    x = 126,902,747,593.01/389,250.81
  6. Step 6: Final answer
    x = 326,017.94

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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.