Home / 305,751.41-421,869.01-184,890.16

Finding the Fourth Proportional to 305,751.41, 421,869.01 and 184,890.16

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Solution

The fourth proportional to 305,751.41, 421,869.01 and 184,890.16 is: 255,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,751.41 : 421,869.01 = 184,890.16 : x
  2. Step 2: Convert to fraction form
    305,751.41/421,869.01 = 184,890.16/x
  3. Step 3: Cross multiply
    305,751.41x = 421,869.01 × 184,890.16
  4. Step 4: Simplify right side
    305,751.41x = 77,999,429,169.72
  5. Step 5: Solve for x
    x = 77,999,429,169.72/305,751.41
  6. Step 6: Final answer
    x = 255,107.34

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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.