Home / 340,723.90-511,110.15-104,066.20

Finding the Fourth Proportional to 340,723.90, 511,110.15 and 104,066.20

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Solution

The fourth proportional to 340,723.90, 511,110.15 and 104,066.20 is: 156,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,723.90 : 511,110.15 = 104,066.20 : x
  2. Step 2: Convert to fraction form
    340,723.90/511,110.15 = 104,066.20/x
  3. Step 3: Cross multiply
    340,723.90x = 511,110.15 × 104,066.20
  4. Step 4: Simplify right side
    340,723.90x = 53,189,291,091.93
  5. Step 5: Solve for x
    x = 53,189,291,091.93/340,723.90
  6. Step 6: Final answer
    x = 156,106.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.