Home / 395,072.91-592,628.40-128,832.93

Finding the Fourth Proportional to 395,072.91, 592,628.40 and 128,832.93

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Solution

The fourth proportional to 395,072.91, 592,628.40 and 128,832.93 is: 193,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,072.91 : 592,628.40 = 128,832.93 : x
  2. Step 2: Convert to fraction form
    395,072.91/592,628.40 = 128,832.93/x
  3. Step 3: Cross multiply
    395,072.91x = 592,628.40 × 128,832.93
  4. Step 4: Simplify right side
    395,072.91x = 76,350,053,173.21
  5. Step 5: Solve for x
    x = 76,350,053,173.21/395,072.91
  6. Step 6: Final answer
    x = 193,255.60

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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.