Home / 331,259.76-457,151.04-188,025.84

Finding the Fourth Proportional to 331,259.76, 457,151.04 and 188,025.84

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Solution

The fourth proportional to 331,259.76, 457,151.04 and 188,025.84 is: 259,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,259.76 : 457,151.04 = 188,025.84 : x
  2. Step 2: Convert to fraction form
    331,259.76/457,151.04 = 188,025.84/x
  3. Step 3: Cross multiply
    331,259.76x = 457,151.04 × 188,025.84
  4. Step 4: Simplify right side
    331,259.76x = 85,956,208,302.87
  5. Step 5: Solve for x
    x = 85,956,208,302.87/331,259.76
  6. Step 6: Final answer
    x = 259,482.79

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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.