Home / 470,118.97-648,766.74-255,259.04

Finding the Fourth Proportional to 470,118.97, 648,766.74 and 255,259.04

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Solution

The fourth proportional to 470,118.97, 648,766.74 and 255,259.04 is: 352,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,118.97 : 648,766.74 = 255,259.04 : x
  2. Step 2: Convert to fraction form
    470,118.97/648,766.74 = 255,259.04/x
  3. Step 3: Cross multiply
    470,118.97x = 648,766.74 × 255,259.04
  4. Step 4: Simplify right side
    470,118.97x = 165,603,572,362.66
  5. Step 5: Solve for x
    x = 165,603,572,362.66/470,118.97
  6. Step 6: Final answer
    x = 352,258.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.