Home / 251,746.44-347,412.42-138,570

Finding the Fourth Proportional to 251,746.44, 347,412.42 and 138,570

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Solution

The fourth proportional to 251,746.44, 347,412.42 and 138,570 is: 191,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,746.44 : 347,412.42 = 138,570 : x
  2. Step 2: Convert to fraction form
    251,746.44/347,412.42 = 138,570/x
  3. Step 3: Cross multiply
    251,746.44x = 347,412.42 × 138,570
  4. Step 4: Simplify right side
    251,746.44x = 48,140,939,039.40
  5. Step 5: Solve for x
    x = 48,140,939,039.40/251,746.44
  6. Step 6: Final answer
    x = 191,227.88

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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.