Home / 342,430.52-472,568.04-189,466.22

Finding the Fourth Proportional to 342,430.52, 472,568.04 and 189,466.22

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Solution

The fourth proportional to 342,430.52, 472,568.04 and 189,466.22 is: 261,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,430.52 : 472,568.04 = 189,466.22 : x
  2. Step 2: Convert to fraction form
    342,430.52/472,568.04 = 189,466.22/x
  3. Step 3: Cross multiply
    342,430.52x = 472,568.04 × 189,466.22
  4. Step 4: Simplify right side
    342,430.52x = 89,535,681,413.03
  5. Step 5: Solve for x
    x = 89,535,681,413.03/342,430.52
  6. Step 6: Final answer
    x = 261,471.09

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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.