Home / 389,487.22-537,582.04-228,394.16

Finding the Fourth Proportional to 389,487.22, 537,582.04 and 228,394.16

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Solution

The fourth proportional to 389,487.22, 537,582.04 and 228,394.16 is: 315,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,487.22 : 537,582.04 = 228,394.16 : x
  2. Step 2: Convert to fraction form
    389,487.22/537,582.04 = 228,394.16/x
  3. Step 3: Cross multiply
    389,487.22x = 537,582.04 × 228,394.16
  4. Step 4: Simplify right side
    389,487.22x = 122,780,599,800.84
  5. Step 5: Solve for x
    x = 122,780,599,800.84/389,487.22
  6. Step 6: Final answer
    x = 315,236.53

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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.