Home / 389,357.88-537,265.08-228,176.04

Finding the Fourth Proportional to 389,357.88, 537,265.08 and 228,176.04

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Solution

The fourth proportional to 389,357.88, 537,265.08 and 228,176.04 is: 314,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,357.88 : 537,265.08 = 228,176.04 : x
  2. Step 2: Convert to fraction form
    389,357.88/537,265.08 = 228,176.04/x
  3. Step 3: Cross multiply
    389,357.88x = 537,265.08 × 228,176.04
  4. Step 4: Simplify right side
    389,357.88x = 122,591,018,384.68
  5. Step 5: Solve for x
    x = 122,591,018,384.68/389,357.88
  6. Step 6: Final answer
    x = 314,854.34

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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.