Home / 389,368.35-537,443.24-228,258.27

Finding the Fourth Proportional to 389,368.35, 537,443.24 and 228,258.27

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Solution

The fourth proportional to 389,368.35, 537,443.24 and 228,258.27 is: 315,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,368.35 : 537,443.24 = 228,258.27 : x
  2. Step 2: Convert to fraction form
    389,368.35/537,443.24 = 228,258.27/x
  3. Step 3: Cross multiply
    389,368.35x = 537,443.24 × 228,258.27
  4. Step 4: Simplify right side
    389,368.35x = 122,675,863,044.30
  5. Step 5: Solve for x
    x = 122,675,863,044.30/389,368.35
  6. Step 6: Final answer
    x = 315,063.78

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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.