Home / 395,566.72-545,882.70-234,500.92

Finding the Fourth Proportional to 395,566.72, 545,882.70 and 234,500.92

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Solution

The fourth proportional to 395,566.72, 545,882.70 and 234,500.92 is: 323,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,566.72 : 545,882.70 = 234,500.92 : x
  2. Step 2: Convert to fraction form
    395,566.72/545,882.70 = 234,500.92/x
  3. Step 3: Cross multiply
    395,566.72x = 545,882.70 × 234,500.92
  4. Step 4: Simplify right side
    395,566.72x = 128,009,995,362.08
  5. Step 5: Solve for x
    x = 128,009,995,362.08/395,566.72
  6. Step 6: Final answer
    x = 323,611.64

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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.