Home / 382,960.17-528,467.98-219,499.49

Finding the Fourth Proportional to 382,960.17, 528,467.98 and 219,499.49

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Solution

The fourth proportional to 382,960.17, 528,467.98 and 219,499.49 is: 302,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,960.17 : 528,467.98 = 219,499.49 : x
  2. Step 2: Convert to fraction form
    382,960.17/528,467.98 = 219,499.49/x
  3. Step 3: Cross multiply
    382,960.17x = 528,467.98 × 219,499.49
  4. Step 4: Simplify right side
    382,960.17x = 115,998,450,993.83
  5. Step 5: Solve for x
    x = 115,998,450,993.83/382,960.17
  6. Step 6: Final answer
    x = 302,899.52

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1.5x scale

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.