Home / 251,320.10-376,943.70-73,808.60

Finding the Fourth Proportional to 251,320.10, 376,943.70 and 73,808.60

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Solution

The fourth proportional to 251,320.10, 376,943.70 and 73,808.60 is: 110,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,320.10 : 376,943.70 = 73,808.60 : x
  2. Step 2: Convert to fraction form
    251,320.10/376,943.70 = 73,808.60/x
  3. Step 3: Cross multiply
    251,320.10x = 376,943.70 × 73,808.60
  4. Step 4: Simplify right side
    251,320.10x = 27,821,686,775.82
  5. Step 5: Solve for x
    x = 27,821,686,775.82/251,320.10
  6. Step 6: Final answer
    x = 110,702.20

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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.