Home / 340,317.23-510,475.86-90,992.75

Finding the Fourth Proportional to 340,317.23, 510,475.86 and 90,992.75

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Solution

The fourth proportional to 340,317.23, 510,475.86 and 90,992.75 is: 136,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,317.23 : 510,475.86 = 90,992.75 : x
  2. Step 2: Convert to fraction form
    340,317.23/510,475.86 = 90,992.75/x
  3. Step 3: Cross multiply
    340,317.23x = 510,475.86 × 90,992.75
  4. Step 4: Simplify right side
    340,317.23x = 46,449,602,310.02
  5. Step 5: Solve for x
    x = 46,449,602,310.02/340,317.23
  6. Step 6: Final answer
    x = 136,489.13

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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.