Home / 375,374.12-518,016.42-205,611.08

Finding the Fourth Proportional to 375,374.12, 518,016.42 and 205,611.08

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Solution

The fourth proportional to 375,374.12, 518,016.42 and 205,611.08 is: 283,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,374.12 : 518,016.42 = 205,611.08 : x
  2. Step 2: Convert to fraction form
    375,374.12/518,016.42 = 205,611.08/x
  3. Step 3: Cross multiply
    375,374.12x = 518,016.42 × 205,611.08
  4. Step 4: Simplify right side
    375,374.12x = 106,509,915,573.93
  5. Step 5: Solve for x
    x = 106,509,915,573.93/375,374.12
  6. Step 6: Final answer
    x = 283,743.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.