Home / 478,110.18-659,737.27-274,105

Finding the Fourth Proportional to 478,110.18, 659,737.27 and 274,105

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Solution

The fourth proportional to 478,110.18, 659,737.27 and 274,105 is: 378,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,110.18 : 659,737.27 = 274,105 : x
  2. Step 2: Convert to fraction form
    478,110.18/659,737.27 = 274,105/x
  3. Step 3: Cross multiply
    478,110.18x = 659,737.27 × 274,105
  4. Step 4: Simplify right side
    478,110.18x = 180,837,284,393.35
  5. Step 5: Solve for x
    x = 180,837,284,393.35/478,110.18
  6. Step 6: Final answer
    x = 378,233.50

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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.