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Finding the Fourth Proportional to 558,625.28, 838,069.16 and 184,648.28

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Solution

The fourth proportional to 558,625.28, 838,069.16 and 184,648.28 is: 277,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,625.28 : 838,069.16 = 184,648.28 : x
  2. Step 2: Convert to fraction form
    558,625.28/838,069.16 = 184,648.28/x
  3. Step 3: Cross multiply
    558,625.28x = 838,069.16 × 184,648.28
  4. Step 4: Simplify right side
    558,625.28x = 154,748,028,915.05
  5. Step 5: Solve for x
    x = 154,748,028,915.05/558,625.28
  6. Step 6: Final answer
    x = 277,015.80

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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.