Home / 427,965.81-590,585.60-236,975.10

Finding the Fourth Proportional to 427,965.81, 590,585.60 and 236,975.10

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Solution

The fourth proportional to 427,965.81, 590,585.60 and 236,975.10 is: 327,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,965.81 : 590,585.60 = 236,975.10 : x
  2. Step 2: Convert to fraction form
    427,965.81/590,585.60 = 236,975.10/x
  3. Step 3: Cross multiply
    427,965.81x = 590,585.60 × 236,975.10
  4. Step 4: Simplify right side
    427,965.81x = 139,954,080,433.69
  5. Step 5: Solve for x
    x = 139,954,080,433.69/427,965.81
  6. Step 6: Final answer
    x = 327,021.64

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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.