Home / 340,495.30-510,741.57-103,837.29

Finding the Fourth Proportional to 340,495.30, 510,741.57 and 103,837.29

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Solution

The fourth proportional to 340,495.30, 510,741.57 and 103,837.29 is: 155,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,495.30 : 510,741.57 = 103,837.29 : x
  2. Step 2: Convert to fraction form
    340,495.30/510,741.57 = 103,837.29/x
  3. Step 3: Cross multiply
    340,495.30x = 510,741.57 × 103,837.29
  4. Step 4: Simplify right side
    340,495.30x = 53,034,020,519.15
  5. Step 5: Solve for x
    x = 53,034,020,519.15/340,495.30
  6. Step 6: Final answer
    x = 155,755.51

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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.