Home / 371,928.26-513,262.80-202,162.28

Finding the Fourth Proportional to 371,928.26, 513,262.80 and 202,162.28

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Solution

The fourth proportional to 371,928.26, 513,262.80 and 202,162.28 is: 278,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,928.26 : 513,262.80 = 202,162.28 : x
  2. Step 2: Convert to fraction form
    371,928.26/513,262.80 = 202,162.28/x
  3. Step 3: Cross multiply
    371,928.26x = 513,262.80 × 202,162.28
  4. Step 4: Simplify right side
    371,928.26x = 103,762,377,887.18
  5. Step 5: Solve for x
    x = 103,762,377,887.18/371,928.26
  6. Step 6: Final answer
    x = 278,984.93

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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.