Home / 599,383.51-899,135.40-172,929.90

Finding the Fourth Proportional to 599,383.51, 899,135.40 and 172,929.90

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Solution

The fourth proportional to 599,383.51, 899,135.40 and 172,929.90 is: 259,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,383.51 : 899,135.40 = 172,929.90 : x
  2. Step 2: Convert to fraction form
    599,383.51/899,135.40 = 172,929.90/x
  3. Step 3: Cross multiply
    599,383.51x = 899,135.40 × 172,929.90
  4. Step 4: Simplify right side
    599,383.51x = 155,487,394,808.46
  5. Step 5: Solve for x
    x = 155,487,394,808.46/599,383.51
  6. Step 6: Final answer
    x = 259,412.20

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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.