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Finding the Fourth Proportional to 342,359.37, 513,660.60 and 152,802.48

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Solution

The fourth proportional to 342,359.37, 513,660.60 and 152,802.48 is: 229,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,359.37 : 513,660.60 = 152,802.48 : x
  2. Step 2: Convert to fraction form
    342,359.37/513,660.60 = 152,802.48/x
  3. Step 3: Cross multiply
    342,359.37x = 513,660.60 × 152,802.48
  4. Step 4: Simplify right side
    342,359.37x = 78,488,613,558.29
  5. Step 5: Solve for x
    x = 78,488,613,558.29/342,359.37
  6. Step 6: Final answer
    x = 229,257.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.