Home / 340,299.48-510,449.22-90,975

Finding the Fourth Proportional to 340,299.48, 510,449.22 and 90,975

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Solution

The fourth proportional to 340,299.48, 510,449.22 and 90,975 is: 136,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,299.48 : 510,449.22 = 90,975 : x
  2. Step 2: Convert to fraction form
    340,299.48/510,449.22 = 90,975/x
  3. Step 3: Cross multiply
    340,299.48x = 510,449.22 × 90,975
  4. Step 4: Simplify right side
    340,299.48x = 46,438,117,789.50
  5. Step 5: Solve for x
    x = 46,438,117,789.50/340,299.48
  6. Step 6: Final answer
    x = 136,462.50

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1.5x scale

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.