Home / 251,036.10-376,435.35-145,887.30

Finding the Fourth Proportional to 251,036.10, 376,435.35 and 145,887.30

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Solution

The fourth proportional to 251,036.10, 376,435.35 and 145,887.30 is: 218,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,036.10 : 376,435.35 = 145,887.30 : x
  2. Step 2: Convert to fraction form
    251,036.10/376,435.35 = 145,887.30/x
  3. Step 3: Cross multiply
    251,036.10x = 376,435.35 × 145,887.30
  4. Step 4: Simplify right side
    251,036.10x = 54,917,136,836.06
  5. Step 5: Solve for x
    x = 54,917,136,836.06/251,036.10
  6. Step 6: Final answer
    x = 218,761.91

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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.