Home / 369,839.80-554,435.70-251,126.20

Finding the Fourth Proportional to 369,839.80, 554,435.70 and 251,126.20

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Solution

The fourth proportional to 369,839.80, 554,435.70 and 251,126.20 is: 376,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,839.80 : 554,435.70 = 251,126.20 : x
  2. Step 2: Convert to fraction form
    369,839.80/554,435.70 = 251,126.20/x
  3. Step 3: Cross multiply
    369,839.80x = 554,435.70 × 251,126.20
  4. Step 4: Simplify right side
    369,839.80x = 139,233,330,485.34
  5. Step 5: Solve for x
    x = 139,233,330,485.34/369,839.80
  6. Step 6: Final answer
    x = 376,469.30

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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.