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Finding the Fourth Proportional to 336,223.53, 504,336.92 and 99,570.69

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Solution

The fourth proportional to 336,223.53, 504,336.92 and 99,570.69 is: 149,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,223.53 : 504,336.92 = 99,570.69 : x
  2. Step 2: Convert to fraction form
    336,223.53/504,336.92 = 99,570.69/x
  3. Step 3: Cross multiply
    336,223.53x = 504,336.92 × 99,570.69
  4. Step 4: Simplify right side
    336,223.53x = 50,217,174,619.02
  5. Step 5: Solve for x
    x = 50,217,174,619.02/336,223.53
  6. Step 6: Final answer
    x = 149,356.51

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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.