Home / 342,566.67-472,742.93-189,615.39

Finding the Fourth Proportional to 342,566.67, 472,742.93 and 189,615.39

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Solution

The fourth proportional to 342,566.67, 472,742.93 and 189,615.39 is: 261,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,566.67 : 472,742.93 = 189,615.39 : x
  2. Step 2: Convert to fraction form
    342,566.67/472,742.93 = 189,615.39/x
  3. Step 3: Cross multiply
    342,566.67x = 472,742.93 × 189,615.39
  4. Step 4: Simplify right side
    342,566.67x = 89,639,335,041.69
  5. Step 5: Solve for x
    x = 89,639,335,041.69/342,566.67
  6. Step 6: Final answer
    x = 261,669.75

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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.