Home / 285,003.15-393,276.83-157,676.01

Finding the Fourth Proportional to 285,003.15, 393,276.83 and 157,676.01

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Solution

The fourth proportional to 285,003.15, 393,276.83 and 157,676.01 is: 217,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,003.15 : 393,276.83 = 157,676.01 : x
  2. Step 2: Convert to fraction form
    285,003.15/393,276.83 = 157,676.01/x
  3. Step 3: Cross multiply
    285,003.15x = 393,276.83 × 157,676.01
  4. Step 4: Simplify right side
    285,003.15x = 62,010,321,379.85
  5. Step 5: Solve for x
    x = 62,010,321,379.85/285,003.15
  6. Step 6: Final answer
    x = 217,577.67

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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.