Home / 681,271.08-940,155.03-371,172.12

Finding the Fourth Proportional to 681,271.08, 940,155.03 and 371,172.12

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Solution

The fourth proportional to 681,271.08, 940,155.03 and 371,172.12 is: 512,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,271.08 : 940,155.03 = 371,172.12 : x
  2. Step 2: Convert to fraction form
    681,271.08/940,155.03 = 371,172.12/x
  3. Step 3: Cross multiply
    681,271.08x = 940,155.03 × 371,172.12
  4. Step 4: Simplify right side
    681,271.08x = 348,959,335,613.76
  5. Step 5: Solve for x
    x = 348,959,335,613.76/681,271.08
  6. Step 6: Final answer
    x = 512,218.04

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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.