Home / 304,790.25-457,186.47-102,380.57

Finding the Fourth Proportional to 304,790.25, 457,186.47 and 102,380.57

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Solution

The fourth proportional to 304,790.25, 457,186.47 and 102,380.57 is: 153,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,790.25 : 457,186.47 = 102,380.57 : x
  2. Step 2: Convert to fraction form
    304,790.25/457,186.47 = 102,380.57/x
  3. Step 3: Cross multiply
    304,790.25x = 457,186.47 × 102,380.57
  4. Step 4: Simplify right side
    304,790.25x = 46,807,009,108.96
  5. Step 5: Solve for x
    x = 46,807,009,108.96/304,790.25
  6. Step 6: Final answer
    x = 153,571.22

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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.