Home / 427,890.72-590,528.81-236,904.11

Finding the Fourth Proportional to 427,890.72, 590,528.81 and 236,904.11

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Solution

The fourth proportional to 427,890.72, 590,528.81 and 236,904.11 is: 326,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,890.72 : 590,528.81 = 236,904.11 : x
  2. Step 2: Convert to fraction form
    427,890.72/590,528.81 = 236,904.11/x
  3. Step 3: Cross multiply
    427,890.72x = 590,528.81 × 236,904.11
  4. Step 4: Simplify right side
    427,890.72x = 139,898,702,016.51
  5. Step 5: Solve for x
    x = 139,898,702,016.51/427,890.72
  6. Step 6: Final answer
    x = 326,949.61

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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.