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Finding the Fourth Proportional to 342,469.37, 513,707.58 and 152,939.39

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Solution

The fourth proportional to 342,469.37, 513,707.58 and 152,939.39 is: 229,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,469.37 : 513,707.58 = 152,939.39 : x
  2. Step 2: Convert to fraction form
    342,469.37/513,707.58 = 152,939.39/x
  3. Step 3: Cross multiply
    342,469.37x = 513,707.58 × 152,939.39
  4. Step 4: Simplify right side
    342,469.37x = 78,566,121,355.04
  5. Step 5: Solve for x
    x = 78,566,121,355.04/342,469.37
  6. Step 6: Final answer
    x = 229,410.65

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1.5x scale

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.