Home / 318,208.05-477,279.27-107,840.52

Finding the Fourth Proportional to 318,208.05, 477,279.27 and 107,840.52

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Solution

The fourth proportional to 318,208.05, 477,279.27 and 107,840.52 is: 161,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,208.05 : 477,279.27 = 107,840.52 : x
  2. Step 2: Convert to fraction form
    318,208.05/477,279.27 = 107,840.52/x
  3. Step 3: Cross multiply
    318,208.05x = 477,279.27 × 107,840.52
  4. Step 4: Simplify right side
    318,208.05x = 51,470,044,662.02
  5. Step 5: Solve for x
    x = 51,470,044,662.02/318,208.05
  6. Step 6: Final answer
    x = 161,749.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.