Home / 389,367.25-537,325.79-217,283.38

Finding the Fourth Proportional to 389,367.25, 537,325.79 and 217,283.38

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Solution

The fourth proportional to 389,367.25, 537,325.79 and 217,283.38 is: 299,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,367.25 : 537,325.79 = 217,283.38 : x
  2. Step 2: Convert to fraction form
    389,367.25/537,325.79 = 217,283.38/x
  3. Step 3: Cross multiply
    389,367.25x = 537,325.79 × 217,283.38
  4. Step 4: Simplify right side
    389,367.25x = 116,751,963,812.37
  5. Step 5: Solve for x
    x = 116,751,963,812.37/389,367.25
  6. Step 6: Final answer
    x = 299,850.50

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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.