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Finding the Fourth Proportional to 427,062.42, 589,323.13 and 236,064.42

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Solution

The fourth proportional to 427,062.42, 589,323.13 and 236,064.42 is: 325,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,062.42 : 589,323.13 = 236,064.42 : x
  2. Step 2: Convert to fraction form
    427,062.42/589,323.13 = 236,064.42/x
  3. Step 3: Cross multiply
    427,062.42x = 589,323.13 × 236,064.42
  4. Step 4: Simplify right side
    427,062.42x = 139,118,222,285.87
  5. Step 5: Solve for x
    x = 139,118,222,285.87/427,062.42
  6. Step 6: Final answer
    x = 325,756.18

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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.