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Finding the Fourth Proportional to 342,360.87, 513,662.85 and 152,803.98

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Solution

The fourth proportional to 342,360.87, 513,662.85 and 152,803.98 is: 229,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360.87 : 513,662.85 = 152,803.98 : x
  2. Step 2: Convert to fraction form
    342,360.87/513,662.85 = 152,803.98/x
  3. Step 3: Cross multiply
    342,360.87x = 513,662.85 × 152,803.98
  4. Step 4: Simplify right side
    342,360.87x = 78,489,727,858.14
  5. Step 5: Solve for x
    x = 78,489,727,858.14/342,360.87
  6. Step 6: Final answer
    x = 229,260.22

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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.