Home / 470,110.11-648,765.09-255,263.28

Finding the Fourth Proportional to 470,110.11, 648,765.09 and 255,263.28

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Solution

The fourth proportional to 470,110.11, 648,765.09 and 255,263.28 is: 352,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,110.11 : 648,765.09 = 255,263.28 : x
  2. Step 2: Convert to fraction form
    470,110.11/648,765.09 = 255,263.28/x
  3. Step 3: Cross multiply
    470,110.11x = 648,765.09 × 255,263.28
  4. Step 4: Simplify right side
    470,110.11x = 165,605,904,822.90
  5. Step 5: Solve for x
    x = 165,605,904,822.90/470,110.11
  6. Step 6: Final answer
    x = 352,270.46

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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.