Home / 289,816.20-399,924.36-162,467.64

Finding the Fourth Proportional to 289,816.20, 399,924.36 and 162,467.64

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Solution

The fourth proportional to 289,816.20, 399,924.36 and 162,467.64 is: 224,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,816.20 : 399,924.36 = 162,467.64 : x
  2. Step 2: Convert to fraction form
    289,816.20/399,924.36 = 162,467.64/x
  3. Step 3: Cross multiply
    289,816.20x = 399,924.36 × 162,467.64
  4. Step 4: Simplify right side
    289,816.20x = 64,974,766,947.71
  5. Step 5: Solve for x
    x = 64,974,766,947.71/289,816.20
  6. Step 6: Final answer
    x = 224,193.01

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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.