Home / 389,106.84-537,087.09-228,013.79

Finding the Fourth Proportional to 389,106.84, 537,087.09 and 228,013.79

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Solution

The fourth proportional to 389,106.84, 537,087.09 and 228,013.79 is: 314,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,106.84 : 537,087.09 = 228,013.79 : x
  2. Step 2: Convert to fraction form
    389,106.84/537,087.09 = 228,013.79/x
  3. Step 3: Cross multiply
    389,106.84x = 537,087.09 × 228,013.79
  4. Step 4: Simplify right side
    389,106.84x = 122,463,260,265.54
  5. Step 5: Solve for x
    x = 122,463,260,265.54/389,106.84
  6. Step 6: Final answer
    x = 314,729.14

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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.