Home / 304,413.74-456,623.70-135,942.66

Finding the Fourth Proportional to 304,413.74, 456,623.70 and 135,942.66

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Solution

The fourth proportional to 304,413.74, 456,623.70 and 135,942.66 is: 203,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,413.74 : 456,623.70 = 135,942.66 : x
  2. Step 2: Convert to fraction form
    304,413.74/456,623.70 = 135,942.66/x
  3. Step 3: Cross multiply
    304,413.74x = 456,623.70 × 135,942.66
  4. Step 4: Simplify right side
    304,413.74x = 62,074,640,397.04
  5. Step 5: Solve for x
    x = 62,074,640,397.04/304,413.74
  6. Step 6: Final answer
    x = 203,915.37

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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.