Home / 251,925.78-347,631.84-155,114.28

Finding the Fourth Proportional to 251,925.78, 347,631.84 and 155,114.28

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Solution

The fourth proportional to 251,925.78, 347,631.84 and 155,114.28 is: 214,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,925.78 : 347,631.84 = 155,114.28 : x
  2. Step 2: Convert to fraction form
    251,925.78/347,631.84 = 155,114.28/x
  3. Step 3: Cross multiply
    251,925.78x = 347,631.84 × 155,114.28
  4. Step 4: Simplify right side
    251,925.78x = 53,922,662,566.68
  5. Step 5: Solve for x
    x = 53,922,662,566.68/251,925.78
  6. Step 6: Final answer
    x = 214,041.86

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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.