Home / 251,343.24-346,853.70-143,948.88

Finding the Fourth Proportional to 251,343.24, 346,853.70 and 143,948.88

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Solution

The fourth proportional to 251,343.24, 346,853.70 and 143,948.88 is: 198,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,343.24 : 346,853.70 = 143,948.88 : x
  2. Step 2: Convert to fraction form
    251,343.24/346,853.70 = 143,948.88/x
  3. Step 3: Cross multiply
    251,343.24x = 346,853.70 × 143,948.88
  4. Step 4: Simplify right side
    251,343.24x = 49,929,201,638.86
  5. Step 5: Solve for x
    x = 49,929,201,638.86/251,343.24
  6. Step 6: Final answer
    x = 198,649.47

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1.5x scale

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.