Home / 340,263.49-510,395.26-140,589.02

Finding the Fourth Proportional to 340,263.49, 510,395.26 and 140,589.02

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Solution

The fourth proportional to 340,263.49, 510,395.26 and 140,589.02 is: 210,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,263.49 : 510,395.26 = 140,589.02 : x
  2. Step 2: Convert to fraction form
    340,263.49/510,395.26 = 140,589.02/x
  3. Step 3: Cross multiply
    340,263.49x = 510,395.26 × 140,589.02
  4. Step 4: Simplify right side
    340,263.49x = 71,755,969,416.05
  5. Step 5: Solve for x
    x = 71,755,969,416.05/340,263.49
  6. Step 6: Final answer
    x = 210,883.54

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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.