Home / 344,530.20-515,337.30-309,246.60

Finding the Fourth Proportional to 344,530.20, 515,337.30 and 309,246.60

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Solution

The fourth proportional to 344,530.20, 515,337.30 and 309,246.60 is: 462,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,530.20 : 515,337.30 = 309,246.60 : x
  2. Step 2: Convert to fraction form
    344,530.20/515,337.30 = 309,246.60/x
  3. Step 3: Cross multiply
    344,530.20x = 515,337.30 × 309,246.60
  4. Step 4: Simplify right side
    344,530.20x = 159,366,307,878.18
  5. Step 5: Solve for x
    x = 159,366,307,878.18/344,530.20
  6. Step 6: Final answer
    x = 462,561.21

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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.