Home / 441,723.51-662,647.91-142,134.48

Finding the Fourth Proportional to 441,723.51, 662,647.91 and 142,134.48

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Solution

The fourth proportional to 441,723.51, 662,647.91 and 142,134.48 is: 213,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,723.51 : 662,647.91 = 142,134.48 : x
  2. Step 2: Convert to fraction form
    441,723.51/662,647.91 = 142,134.48/x
  3. Step 3: Cross multiply
    441,723.51x = 662,647.91 × 142,134.48
  4. Step 4: Simplify right side
    441,723.51x = 94,185,115,400.26
  5. Step 5: Solve for x
    x = 94,185,115,400.26/441,723.51
  6. Step 6: Final answer
    x = 213,221.88

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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.