Home / 456,713.40-685,005.30-141,202.20

Finding the Fourth Proportional to 456,713.40, 685,005.30 and 141,202.20

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Solution

The fourth proportional to 456,713.40, 685,005.30 and 141,202.20 is: 211,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,713.40 : 685,005.30 = 141,202.20 : x
  2. Step 2: Convert to fraction form
    456,713.40/685,005.30 = 141,202.20/x
  3. Step 3: Cross multiply
    456,713.40x = 685,005.30 × 141,202.20
  4. Step 4: Simplify right side
    456,713.40x = 96,724,255,371.66
  5. Step 5: Solve for x
    x = 96,724,255,371.66/456,713.40
  6. Step 6: Final answer
    x = 211,783.27

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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.