Home / 340,739.80-511,346.85-141,061.23

Finding the Fourth Proportional to 340,739.80, 511,346.85 and 141,061.23

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Solution

The fourth proportional to 340,739.80, 511,346.85 and 141,061.23 is: 211,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,739.80 : 511,346.85 = 141,061.23 : x
  2. Step 2: Convert to fraction form
    340,739.80/511,346.85 = 141,061.23/x
  3. Step 3: Cross multiply
    340,739.80x = 511,346.85 × 141,061.23
  4. Step 4: Simplify right side
    340,739.80x = 72,131,215,617.63
  5. Step 5: Solve for x
    x = 72,131,215,617.63/340,739.80
  6. Step 6: Final answer
    x = 211,690.02

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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.