Home / 251,393.10-346,823.70-143,905.26

Finding the Fourth Proportional to 251,393.10, 346,823.70 and 143,905.26

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Solution

The fourth proportional to 251,393.10, 346,823.70 and 143,905.26 is: 198,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,393.10 : 346,823.70 = 143,905.26 : x
  2. Step 2: Convert to fraction form
    251,393.10/346,823.70 = 143,905.26/x
  3. Step 3: Cross multiply
    251,393.10x = 346,823.70 × 143,905.26
  4. Step 4: Simplify right side
    251,393.10x = 49,909,754,722.66
  5. Step 5: Solve for x
    x = 49,909,754,722.66/251,393.10
  6. Step 6: Final answer
    x = 198,532.72

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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.