Home / 251,943.90-347,669.46-156,448.55

Finding the Fourth Proportional to 251,943.90, 347,669.46 and 156,448.55

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Solution

The fourth proportional to 251,943.90, 347,669.46 and 156,448.55 is: 215,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,943.90 : 347,669.46 = 156,448.55 : x
  2. Step 2: Convert to fraction form
    251,943.90/347,669.46 = 156,448.55/x
  3. Step 3: Cross multiply
    251,943.90x = 347,669.46 × 156,448.55
  4. Step 4: Simplify right side
    251,943.90x = 54,392,381,157.94
  5. Step 5: Solve for x
    x = 54,392,381,157.94/251,943.90
  6. Step 6: Final answer
    x = 215,890.84

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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.