Home / 340,388.55-510,528.15-103,676.18

Finding the Fourth Proportional to 340,388.55, 510,528.15 and 103,676.18

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Solution

The fourth proportional to 340,388.55, 510,528.15 and 103,676.18 is: 155,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,388.55 : 510,528.15 = 103,676.18 : x
  2. Step 2: Convert to fraction form
    340,388.55/510,528.15 = 103,676.18/x
  3. Step 3: Cross multiply
    340,388.55x = 510,528.15 × 103,676.18
  4. Step 4: Simplify right side
    340,388.55x = 52,929,608,374.47
  5. Step 5: Solve for x
    x = 52,929,608,374.47/340,388.55
  6. Step 6: Final answer
    x = 155,497.62

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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.