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Finding the Fourth Proportional to 305,014.06, 420,818.52 and 184,109.41

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Solution

The fourth proportional to 305,014.06, 420,818.52 and 184,109.41 is: 254,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,014.06 : 420,818.52 = 184,109.41 : x
  2. Step 2: Convert to fraction form
    305,014.06/420,818.52 = 184,109.41/x
  3. Step 3: Cross multiply
    305,014.06x = 420,818.52 × 184,109.41
  4. Step 4: Simplify right side
    305,014.06x = 77,476,649,434.27
  5. Step 5: Solve for x
    x = 77,476,649,434.27/305,014.06
  6. Step 6: Final answer
    x = 254,010.09

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1.5x scale

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.