Home / 371,538.45-512,703.95-201,772.17

Finding the Fourth Proportional to 371,538.45, 512,703.95 and 201,772.17

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Solution

The fourth proportional to 371,538.45, 512,703.95 and 201,772.17 is: 278,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,538.45 : 512,703.95 = 201,772.17 : x
  2. Step 2: Convert to fraction form
    371,538.45/512,703.95 = 201,772.17/x
  3. Step 3: Cross multiply
    371,538.45x = 512,703.95 × 201,772.17
  4. Step 4: Simplify right side
    371,538.45x = 103,449,387,550.21
  5. Step 5: Solve for x
    x = 103,449,387,550.21/371,538.45
  6. Step 6: Final answer
    x = 278,435.21

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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.