Home / 353,419.40-487,707.60-192,270.32

Finding the Fourth Proportional to 353,419.40, 487,707.60 and 192,270.32

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Solution

The fourth proportional to 353,419.40, 487,707.60 and 192,270.32 is: 265,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,419.40 : 487,707.60 = 192,270.32 : x
  2. Step 2: Convert to fraction form
    353,419.40/487,707.60 = 192,270.32/x
  3. Step 3: Cross multiply
    353,419.40x = 487,707.60 × 192,270.32
  4. Step 4: Simplify right side
    353,419.40x = 93,771,696,318.43
  5. Step 5: Solve for x
    x = 93,771,696,318.43/353,419.40
  6. Step 6: Final answer
    x = 265,326.96

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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.