Home / 427,114.08-589,364.64-236,131.20

Finding the Fourth Proportional to 427,114.08, 589,364.64 and 236,131.20

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Solution

The fourth proportional to 427,114.08, 589,364.64 and 236,131.20 is: 325,831.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,114.08 : 589,364.64 = 236,131.20 : x
  2. Step 2: Convert to fraction form
    427,114.08/589,364.64 = 236,131.20/x
  3. Step 3: Cross multiply
    427,114.08x = 589,364.64 × 236,131.20
  4. Step 4: Simplify right side
    427,114.08x = 139,167,379,680.77
  5. Step 5: Solve for x
    x = 139,167,379,680.77/427,114.08
  6. Step 6: Final answer
    x = 325,831.87

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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.