Home / 389,838.46-537,981.56-228,696.25

Finding the Fourth Proportional to 389,838.46, 537,981.56 and 228,696.25

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Solution

The fourth proportional to 389,838.46, 537,981.56 and 228,696.25 is: 315,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,838.46 : 537,981.56 = 228,696.25 : x
  2. Step 2: Convert to fraction form
    389,838.46/537,981.56 = 228,696.25/x
  3. Step 3: Cross multiply
    389,838.46x = 537,981.56 × 228,696.25
  4. Step 4: Simplify right side
    389,838.46x = 123,034,363,710.33
  5. Step 5: Solve for x
    x = 123,034,363,710.33/389,838.46
  6. Step 6: Final answer
    x = 315,603.45

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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.