Home / 340,290.56-510,464.20-103,635.30

Finding the Fourth Proportional to 340,290.56, 510,464.20 and 103,635.30

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Solution

The fourth proportional to 340,290.56, 510,464.20 and 103,635.30 is: 155,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,290.56 : 510,464.20 = 103,635.30 : x
  2. Step 2: Convert to fraction form
    340,290.56/510,464.20 = 103,635.30/x
  3. Step 3: Cross multiply
    340,290.56x = 510,464.20 × 103,635.30
  4. Step 4: Simplify right side
    340,290.56x = 52,902,110,506.26
  5. Step 5: Solve for x
    x = 52,902,110,506.26/340,290.56
  6. Step 6: Final answer
    x = 155,461.59

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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.