Home / 311,413.33-429,750.38-168,173.36

Finding the Fourth Proportional to 311,413.33, 429,750.38 and 168,173.36

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Solution

The fourth proportional to 311,413.33, 429,750.38 and 168,173.36 is: 232,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,413.33 : 429,750.38 = 168,173.36 : x
  2. Step 2: Convert to fraction form
    311,413.33/429,750.38 = 168,173.36/x
  3. Step 3: Cross multiply
    311,413.33x = 429,750.38 × 168,173.36
  4. Step 4: Simplify right side
    311,413.33x = 72,272,565,365.88
  5. Step 5: Solve for x
    x = 72,272,565,365.88/311,413.33
  6. Step 6: Final answer
    x = 232,079.23

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1.5x scale

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.