Home / 342,304.68-472,397.04-189,342.21

Finding the Fourth Proportional to 342,304.68, 472,397.04 and 189,342.21

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Solution

The fourth proportional to 342,304.68, 472,397.04 and 189,342.21 is: 261,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,304.68 : 472,397.04 = 189,342.21 : x
  2. Step 2: Convert to fraction form
    342,304.68/472,397.04 = 189,342.21/x
  3. Step 3: Cross multiply
    342,304.68x = 472,397.04 × 189,342.21
  4. Step 4: Simplify right side
    342,304.68x = 89,444,699,551.06
  5. Step 5: Solve for x
    x = 89,444,699,551.06/342,304.68
  6. Step 6: Final answer
    x = 261,301.42

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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.