Home / 340,292.31-510,399.58-90,993.75

Finding the Fourth Proportional to 340,292.31, 510,399.58 and 90,993.75

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Solution

The fourth proportional to 340,292.31, 510,399.58 and 90,993.75 is: 136,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,292.31 : 510,399.58 = 90,993.75 : x
  2. Step 2: Convert to fraction form
    340,292.31/510,399.58 = 90,993.75/x
  3. Step 3: Cross multiply
    340,292.31x = 510,399.58 × 90,993.75
  4. Step 4: Simplify right side
    340,292.31x = 46,443,168,775.66
  5. Step 5: Solve for x
    x = 46,443,168,775.66/340,292.31
  6. Step 6: Final answer
    x = 136,480.22

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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.