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Finding the Fourth Proportional to 369,871.37, 510,393.42 and 226,611.93

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Solution

The fourth proportional to 369,871.37, 510,393.42 and 226,611.93 is: 312,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,871.37 : 510,393.42 = 226,611.93 : x
  2. Step 2: Convert to fraction form
    369,871.37/510,393.42 = 226,611.93/x
  3. Step 3: Cross multiply
    369,871.37x = 510,393.42 × 226,611.93
  4. Step 4: Simplify right side
    369,871.37x = 115,661,237,965.50
  5. Step 5: Solve for x
    x = 115,661,237,965.50/369,871.37
  6. Step 6: Final answer
    x = 312,706.65

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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.