Home / 215,024.78-322,577.85-70,938.86

Finding the Fourth Proportional to 215,024.78, 322,577.85 and 70,938.86

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Solution

The fourth proportional to 215,024.78, 322,577.85 and 70,938.86 is: 106,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,024.78 : 322,577.85 = 70,938.86 : x
  2. Step 2: Convert to fraction form
    215,024.78/322,577.85 = 70,938.86/x
  3. Step 3: Cross multiply
    215,024.78x = 322,577.85 × 70,938.86
  4. Step 4: Simplify right side
    215,024.78x = 22,883,303,327.36
  5. Step 5: Solve for x
    x = 22,883,303,327.36/215,024.78
  6. Step 6: Final answer
    x = 106,421.71

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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.