Home / 376,420.03-564,131.68-276,110.55

Finding the Fourth Proportional to 376,420.03, 564,131.68 and 276,110.55

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Solution

The fourth proportional to 376,420.03, 564,131.68 and 276,110.55 is: 413,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,420.03 : 564,131.68 = 276,110.55 : x
  2. Step 2: Convert to fraction form
    376,420.03/564,131.68 = 276,110.55/x
  3. Step 3: Cross multiply
    376,420.03x = 564,131.68 × 276,110.55
  4. Step 4: Simplify right side
    376,420.03x = 155,762,707,746.95
  5. Step 5: Solve for x
    x = 155,762,707,746.95/376,420.03
  6. Step 6: Final answer
    x = 413,800.27

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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.