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Finding the Fourth Proportional to 470,074.60, 648,703.38 and 255,214.54

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Solution

The fourth proportional to 470,074.60, 648,703.38 and 255,214.54 is: 352,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,074.60 : 648,703.38 = 255,214.54 : x
  2. Step 2: Convert to fraction form
    470,074.60/648,703.38 = 255,214.54/x
  3. Step 3: Cross multiply
    470,074.60x = 648,703.38 × 255,214.54
  4. Step 4: Simplify right side
    470,074.60x = 165,558,534,723.15
  5. Step 5: Solve for x
    x = 165,558,534,723.15/470,074.60
  6. Step 6: Final answer
    x = 352,196.30

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