Home / 389,817.50-537,952.14-228,675.29

Finding the Fourth Proportional to 389,817.50, 537,952.14 and 228,675.29

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Solution

The fourth proportional to 389,817.50, 537,952.14 and 228,675.29 is: 315,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,817.50 : 537,952.14 = 228,675.29 : x
  2. Step 2: Convert to fraction form
    389,817.50/537,952.14 = 228,675.29/x
  3. Step 3: Cross multiply
    389,817.50x = 537,952.14 × 228,675.29
  4. Step 4: Simplify right side
    389,817.50x = 123,016,358,930.86
  5. Step 5: Solve for x
    x = 123,016,358,930.86/389,817.50
  6. Step 6: Final answer
    x = 315,574.24

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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.