Home / 340,272.29-510,408.45-103,617.02

Finding the Fourth Proportional to 340,272.29, 510,408.45 and 103,617.02

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Solution

The fourth proportional to 340,272.29, 510,408.45 and 103,617.02 is: 155,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,272.29 : 510,408.45 = 103,617.02 : x
  2. Step 2: Convert to fraction form
    340,272.29/510,408.45 = 103,617.02/x
  3. Step 3: Cross multiply
    340,272.29x = 510,408.45 × 103,617.02
  4. Step 4: Simplify right side
    340,272.29x = 52,887,000,019.78
  5. Step 5: Solve for x
    x = 52,887,000,019.78/340,272.29
  6. Step 6: Final answer
    x = 155,425.53

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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.