Home / 319,179.61-440,464.93-173,985.36

Finding the Fourth Proportional to 319,179.61, 440,464.93 and 173,985.36

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Solution

The fourth proportional to 319,179.61, 440,464.93 and 173,985.36 is: 240,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,179.61 : 440,464.93 = 173,985.36 : x
  2. Step 2: Convert to fraction form
    319,179.61/440,464.93 = 173,985.36/x
  3. Step 3: Cross multiply
    319,179.61x = 440,464.93 × 173,985.36
  4. Step 4: Simplify right side
    319,179.61x = 76,634,449,413.42
  5. Step 5: Solve for x
    x = 76,634,449,413.42/319,179.61
  6. Step 6: Final answer
    x = 240,098.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.