Home / 470,110.20-648,756.78-255,252.03

Finding the Fourth Proportional to 470,110.20, 648,756.78 and 255,252.03

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Solution

The fourth proportional to 470,110.20, 648,756.78 and 255,252.03 is: 352,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,110.20 : 648,756.78 = 255,252.03 : x
  2. Step 2: Convert to fraction form
    470,110.20/648,756.78 = 255,252.03/x
  3. Step 3: Cross multiply
    470,110.20x = 648,756.78 × 255,252.03
  4. Step 4: Simplify right side
    470,110.20x = 165,596,485,071.26
  5. Step 5: Solve for x
    x = 165,596,485,071.26/470,110.20
  6. Step 6: Final answer
    x = 352,250.36

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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.