Home / 374,278.20-561,421.81-104,389.91

Finding the Fourth Proportional to 374,278.20, 561,421.81 and 104,389.91

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Solution

The fourth proportional to 374,278.20, 561,421.81 and 104,389.91 is: 156,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,278.20 : 561,421.81 = 104,389.91 : x
  2. Step 2: Convert to fraction form
    374,278.20/561,421.81 = 104,389.91/x
  3. Step 3: Cross multiply
    374,278.20x = 561,421.81 × 104,389.91
  4. Step 4: Simplify right side
    374,278.20x = 58,606,770,553.41
  5. Step 5: Solve for x
    x = 58,606,770,553.41/374,278.20
  6. Step 6: Final answer
    x = 156,586.12

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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.