Home / 439,914.36-659,901.62-140,417.64

Finding the Fourth Proportional to 439,914.36, 659,901.62 and 140,417.64

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Solution

The fourth proportional to 439,914.36, 659,901.62 and 140,417.64 is: 210,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,914.36 : 659,901.62 = 140,417.64 : x
  2. Step 2: Convert to fraction form
    439,914.36/659,901.62 = 140,417.64/x
  3. Step 3: Cross multiply
    439,914.36x = 659,901.62 × 140,417.64
  4. Step 4: Simplify right side
    439,914.36x = 92,661,828,112.58
  5. Step 5: Solve for x
    x = 92,661,828,112.58/439,914.36
  6. Step 6: Final answer
    x = 210,636.06

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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.