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Finding the Fourth Proportional to 342,894, 473,084.37 and 222,127.86

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Solution

The fourth proportional to 342,894, 473,084.37 and 222,127.86 is: 306,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,894 : 473,084.37 = 222,127.86 : x
  2. Step 2: Convert to fraction form
    342,894/473,084.37 = 222,127.86/x
  3. Step 3: Cross multiply
    342,894x = 473,084.37 × 222,127.86
  4. Step 4: Simplify right side
    342,894x = 105,085,218,707.55
  5. Step 5: Solve for x
    x = 105,085,218,707.55/342,894
  6. Step 6: Final answer
    x = 306,465.61

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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.