Home / 445,492.86-668,221.03-161,190.15

Finding the Fourth Proportional to 445,492.86, 668,221.03 and 161,190.15

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Solution

The fourth proportional to 445,492.86, 668,221.03 and 161,190.15 is: 241,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,492.86 : 668,221.03 = 161,190.15 : x
  2. Step 2: Convert to fraction form
    445,492.86/668,221.03 = 161,190.15/x
  3. Step 3: Cross multiply
    445,492.86x = 668,221.03 × 161,190.15
  4. Step 4: Simplify right side
    445,492.86x = 107,710,648,058.86
  5. Step 5: Solve for x
    x = 107,710,648,058.86/445,492.86
  6. Step 6: Final answer
    x = 241,778.62

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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.