Home / 371,736.41-512,989.93-201,969.32

Finding the Fourth Proportional to 371,736.41, 512,989.93 and 201,969.32

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Solution

The fourth proportional to 371,736.41, 512,989.93 and 201,969.32 is: 278,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,736.41 : 512,989.93 = 201,969.32 : x
  2. Step 2: Convert to fraction form
    371,736.41/512,989.93 = 201,969.32/x
  3. Step 3: Cross multiply
    371,736.41x = 512,989.93 × 201,969.32
  4. Step 4: Simplify right side
    371,736.41x = 103,608,228,106.50
  5. Step 5: Solve for x
    x = 103,608,228,106.50/371,736.41
  6. Step 6: Final answer
    x = 278,714.23

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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.