Home / 425,270.53-637,467.67-188,724.61

Finding the Fourth Proportional to 425,270.53, 637,467.67 and 188,724.61

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Solution

The fourth proportional to 425,270.53, 637,467.67 and 188,724.61 is: 282,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,270.53 : 637,467.67 = 188,724.61 : x
  2. Step 2: Convert to fraction form
    425,270.53/637,467.67 = 188,724.61/x
  3. Step 3: Cross multiply
    425,270.53x = 637,467.67 × 188,724.61
  4. Step 4: Simplify right side
    425,270.53x = 120,305,837,408.36
  5. Step 5: Solve for x
    x = 120,305,837,408.36/425,270.53
  6. Step 6: Final answer
    x = 282,892.49

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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.