Home / 677,442.23-1,016,163.79-172,041.11

Finding the Fourth Proportional to 677,442.23, 1,016,163.79 and 172,041.11

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Solution

The fourth proportional to 677,442.23, 1,016,163.79 and 172,041.11 is: 258,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,442.23 : 1,016,163.79 = 172,041.11 : x
  2. Step 2: Convert to fraction form
    677,442.23/1,016,163.79 = 172,041.11/x
  3. Step 3: Cross multiply
    677,442.23x = 1,016,163.79 × 172,041.11
  4. Step 4: Simplify right side
    677,442.23x = 174,821,946,373.41
  5. Step 5: Solve for x
    x = 174,821,946,373.41/677,442.23
  6. Step 6: Final answer
    x = 258,061.78

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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.