Home / 352,529.20-528,881.28-165,322

Finding the Fourth Proportional to 352,529.20, 528,881.28 and 165,322

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Solution

The fourth proportional to 352,529.20, 528,881.28 and 165,322 is: 248,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,529.20 : 528,881.28 = 165,322 : x
  2. Step 2: Convert to fraction form
    352,529.20/528,881.28 = 165,322/x
  3. Step 3: Cross multiply
    352,529.20x = 528,881.28 × 165,322
  4. Step 4: Simplify right side
    352,529.20x = 87,435,710,972.16
  5. Step 5: Solve for x
    x = 87,435,710,972.16/352,529.20
  6. Step 6: Final answer
    x = 248,024.02

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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.