Home / 389,236.72-537,134.49-228,199.02

Finding the Fourth Proportional to 389,236.72, 537,134.49 and 228,199.02

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Solution

The fourth proportional to 389,236.72, 537,134.49 and 228,199.02 is: 314,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,236.72 : 537,134.49 = 228,199.02 : x
  2. Step 2: Convert to fraction form
    389,236.72/537,134.49 = 228,199.02/x
  3. Step 3: Cross multiply
    389,236.72x = 537,134.49 × 228,199.02
  4. Step 4: Simplify right side
    389,236.72x = 122,573,565,233.33
  5. Step 5: Solve for x
    x = 122,573,565,233.33/389,236.72
  6. Step 6: Final answer
    x = 314,907.51

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1.5x scale

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.