Home / 304,820.69-457,241.96-105,147.59

Finding the Fourth Proportional to 304,820.69, 457,241.96 and 105,147.59

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Solution

The fourth proportional to 304,820.69, 457,241.96 and 105,147.59 is: 157,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,820.69 : 457,241.96 = 105,147.59 : x
  2. Step 2: Convert to fraction form
    304,820.69/457,241.96 = 105,147.59/x
  3. Step 3: Cross multiply
    304,820.69x = 457,241.96 × 105,147.59
  4. Step 4: Simplify right side
    304,820.69x = 48,077,888,117.54
  5. Step 5: Solve for x
    x = 48,077,888,117.54/304,820.69
  6. Step 6: Final answer
    x = 157,725.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.