Home / 427,422.56-589,858.00-236,453.72

Finding the Fourth Proportional to 427,422.56, 589,858.00 and 236,453.72

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Solution

The fourth proportional to 427,422.56, 589,858.00 and 236,453.72 is: 326,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,422.56 : 589,858.00 = 236,453.72 : x
  2. Step 2: Convert to fraction form
    427,422.56/589,858.00 = 236,453.72/x
  3. Step 3: Cross multiply
    427,422.56x = 589,858.00 × 236,453.72
  4. Step 4: Simplify right side
    427,422.56x = 139,474,114,831.34
  5. Step 5: Solve for x
    x = 139,474,114,831.34/427,422.56
  6. Step 6: Final answer
    x = 326,314.35

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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.