Home / 371,557.80-512,741.34-201,788.28

Finding the Fourth Proportional to 371,557.80, 512,741.34 and 201,788.28

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Solution

The fourth proportional to 371,557.80, 512,741.34 and 201,788.28 is: 278,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,557.80 : 512,741.34 = 201,788.28 : x
  2. Step 2: Convert to fraction form
    371,557.80/512,741.34 = 201,788.28/x
  3. Step 3: Cross multiply
    371,557.80x = 512,741.34 × 201,788.28
  4. Step 4: Simplify right side
    371,557.80x = 103,465,193,083.50
  5. Step 5: Solve for x
    x = 103,465,193,083.50/371,557.80
  6. Step 6: Final answer
    x = 278,463.25

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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.