Home / 621,906.02-932,864.25-172,661.92

Finding the Fourth Proportional to 621,906.02, 932,864.25 and 172,661.92

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Solution

The fourth proportional to 621,906.02, 932,864.25 and 172,661.92 is: 258,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,906.02 : 932,864.25 = 172,661.92 : x
  2. Step 2: Convert to fraction form
    621,906.02/932,864.25 = 172,661.92/x
  3. Step 3: Cross multiply
    621,906.02x = 932,864.25 × 172,661.92
  4. Step 4: Simplify right side
    621,906.02x = 161,070,130,172.20
  5. Step 5: Solve for x
    x = 161,070,130,172.20/621,906.02
  6. Step 6: Final answer
    x = 258,994.33

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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.