Home / 369,512.94-552,885.24-263,142.66

Finding the Fourth Proportional to 369,512.94, 552,885.24 and 263,142.66

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Solution

The fourth proportional to 369,512.94, 552,885.24 and 263,142.66 is: 393,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,512.94 : 552,885.24 = 263,142.66 : x
  2. Step 2: Convert to fraction form
    369,512.94/552,885.24 = 263,142.66/x
  3. Step 3: Cross multiply
    369,512.94x = 552,885.24 × 263,142.66
  4. Step 4: Simplify right side
    369,512.94x = 145,487,692,728.34
  5. Step 5: Solve for x
    x = 145,487,692,728.34/369,512.94
  6. Step 6: Final answer
    x = 393,728.28

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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.