Home / 395,128.61-592,094.21-261,530.24

Finding the Fourth Proportional to 395,128.61, 592,094.21 and 261,530.24

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Solution

The fourth proportional to 395,128.61, 592,094.21 and 261,530.24 is: 391,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,128.61 : 592,094.21 = 261,530.24 : x
  2. Step 2: Convert to fraction form
    395,128.61/592,094.21 = 261,530.24/x
  3. Step 3: Cross multiply
    395,128.61x = 592,094.21 × 261,530.24
  4. Step 4: Simplify right side
    395,128.61x = 154,850,540,843.91
  5. Step 5: Solve for x
    x = 154,850,540,843.91/395,128.61
  6. Step 6: Final answer
    x = 391,899.09

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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.