Home / 371,411.26-513,028.33-307,140.11

Finding the Fourth Proportional to 371,411.26, 513,028.33 and 307,140.11

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Solution

The fourth proportional to 371,411.26, 513,028.33 and 307,140.11 is: 424,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,411.26 : 513,028.33 = 307,140.11 : x
  2. Step 2: Convert to fraction form
    371,411.26/513,028.33 = 307,140.11/x
  3. Step 3: Cross multiply
    371,411.26x = 513,028.33 × 307,140.11
  4. Step 4: Simplify right side
    371,411.26x = 157,571,577,709.32
  5. Step 5: Solve for x
    x = 157,571,577,709.32/371,411.26
  6. Step 6: Final answer
    x = 424,250.94

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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.