Home / 305,284.27-457,603.21-102,687.51

Finding the Fourth Proportional to 305,284.27, 457,603.21 and 102,687.51

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Solution

The fourth proportional to 305,284.27, 457,603.21 and 102,687.51 is: 153,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,284.27 : 457,603.21 = 102,687.51 : x
  2. Step 2: Convert to fraction form
    305,284.27/457,603.21 = 102,687.51/x
  3. Step 3: Cross multiply
    305,284.27x = 457,603.21 × 102,687.51
  4. Step 4: Simplify right side
    305,284.27x = 46,990,134,331.27
  5. Step 5: Solve for x
    x = 46,990,134,331.27/305,284.27
  6. Step 6: Final answer
    x = 153,922.55

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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.