Home / 470,005.11-648,608.37-255,145.32

Finding the Fourth Proportional to 470,005.11, 648,608.37 and 255,145.32

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Solution

The fourth proportional to 470,005.11, 648,608.37 and 255,145.32 is: 352,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,005.11 : 648,608.37 = 255,145.32 : x
  2. Step 2: Convert to fraction form
    470,005.11/648,608.37 = 255,145.32/x
  3. Step 3: Cross multiply
    470,005.11x = 648,608.37 × 255,145.32
  4. Step 4: Simplify right side
    470,005.11x = 165,489,390,118.33
  5. Step 5: Solve for x
    x = 165,489,390,118.33/470,005.11
  6. Step 6: Final answer
    x = 352,101.26

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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.