Home / 456,766.46-685,244.27-136,905.41

Finding the Fourth Proportional to 456,766.46, 685,244.27 and 136,905.41

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Solution

The fourth proportional to 456,766.46, 685,244.27 and 136,905.41 is: 205,386.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,766.46 : 685,244.27 = 136,905.41 : x
  2. Step 2: Convert to fraction form
    456,766.46/685,244.27 = 136,905.41/x
  3. Step 3: Cross multiply
    456,766.46x = 685,244.27 × 136,905.41
  4. Step 4: Simplify right side
    456,766.46x = 93,813,648,763.08
  5. Step 5: Solve for x
    x = 93,813,648,763.08/456,766.46
  6. Step 6: Final answer
    x = 205,386.46

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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.