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Finding the Fourth Proportional to 558,613.28, 838,051.14 and 184,636.28

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Solution

The fourth proportional to 558,613.28, 838,051.14 and 184,636.28 is: 276,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,613.28 : 838,051.14 = 184,636.28 : x
  2. Step 2: Convert to fraction form
    558,613.28/838,051.14 = 184,636.28/x
  3. Step 3: Cross multiply
    558,613.28x = 838,051.14 × 184,636.28
  4. Step 4: Simplify right side
    558,613.28x = 154,734,644,939.36
  5. Step 5: Solve for x
    x = 154,734,644,939.36/558,613.28
  6. Step 6: Final answer
    x = 276,997.79

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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.