Home / 376,026.87-518,749.14-223,071.50

Finding the Fourth Proportional to 376,026.87, 518,749.14 and 223,071.50

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Solution

The fourth proportional to 376,026.87, 518,749.14 and 223,071.50 is: 307,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,026.87 : 518,749.14 = 223,071.50 : x
  2. Step 2: Convert to fraction form
    376,026.87/518,749.14 = 223,071.50/x
  3. Step 3: Cross multiply
    376,026.87x = 518,749.14 × 223,071.50
  4. Step 4: Simplify right side
    376,026.87x = 115,718,150,916.90
  5. Step 5: Solve for x
    x = 115,718,150,916.90/376,026.87
  6. Step 6: Final answer
    x = 307,739.04

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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.