Home / 352,611.20-529,208.40-163,362.80

Finding the Fourth Proportional to 352,611.20, 529,208.40 and 163,362.80

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Solution

The fourth proportional to 352,611.20, 529,208.40 and 163,362.80 is: 245,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,611.20 : 529,208.40 = 163,362.80 : x
  2. Step 2: Convert to fraction form
    352,611.20/529,208.40 = 163,362.80/x
  3. Step 3: Cross multiply
    352,611.20x = 529,208.40 × 163,362.80
  4. Step 4: Simplify right side
    352,611.20x = 86,452,966,007.52
  5. Step 5: Solve for x
    x = 86,452,966,007.52/352,611.20
  6. Step 6: Final answer
    x = 245,179.30

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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.