Home / 389,267.70-537,196.42-228,168.42

Finding the Fourth Proportional to 389,267.70, 537,196.42 and 228,168.42

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Solution

The fourth proportional to 389,267.70, 537,196.42 and 228,168.42 is: 314,876.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,267.70 : 537,196.42 = 228,168.42 : x
  2. Step 2: Convert to fraction form
    389,267.70/537,196.42 = 228,168.42/x
  3. Step 3: Cross multiply
    389,267.70x = 537,196.42 × 228,168.42
  4. Step 4: Simplify right side
    389,267.70x = 122,571,258,381.06
  5. Step 5: Solve for x
    x = 122,571,258,381.06/389,267.70
  6. Step 6: Final answer
    x = 314,876.52

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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.