Home / 456,852.42-685,434.30-137,012.04

Finding the Fourth Proportional to 456,852.42, 685,434.30 and 137,012.04

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Solution

The fourth proportional to 456,852.42, 685,434.30 and 137,012.04 is: 205,564.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,852.42 : 685,434.30 = 137,012.04 : x
  2. Step 2: Convert to fraction form
    456,852.42/685,434.30 = 137,012.04/x
  3. Step 3: Cross multiply
    456,852.42x = 685,434.30 × 137,012.04
  4. Step 4: Simplify right side
    456,852.42x = 93,912,751,728.97
  5. Step 5: Solve for x
    x = 93,912,751,728.97/456,852.42
  6. Step 6: Final answer
    x = 205,564.75

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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.