Home / 251,280.36-346,768.02-138,110.40

Finding the Fourth Proportional to 251,280.36, 346,768.02 and 138,110.40

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Solution

The fourth proportional to 251,280.36, 346,768.02 and 138,110.40 is: 190,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,280.36 : 346,768.02 = 138,110.40 : x
  2. Step 2: Convert to fraction form
    251,280.36/346,768.02 = 138,110.40/x
  3. Step 3: Cross multiply
    251,280.36x = 346,768.02 × 138,110.40
  4. Step 4: Simplify right side
    251,280.36x = 47,892,269,949.41
  5. Step 5: Solve for x
    x = 47,892,269,949.41/251,280.36
  6. Step 6: Final answer
    x = 190,592.97

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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.