Home / 291,272.20-436,970.72-164,972.16

Finding the Fourth Proportional to 291,272.20, 436,970.72 and 164,972.16

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Solution

The fourth proportional to 291,272.20, 436,970.72 and 164,972.16 is: 247,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,272.20 : 436,970.72 = 164,972.16 : x
  2. Step 2: Convert to fraction form
    291,272.20/436,970.72 = 164,972.16/x
  3. Step 3: Cross multiply
    291,272.20x = 436,970.72 × 164,972.16
  4. Step 4: Simplify right side
    291,272.20x = 72,088,003,535.16
  5. Step 5: Solve for x
    x = 72,088,003,535.16/291,272.20
  6. Step 6: Final answer
    x = 247,493.59

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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.