Home / 427,905.15-590,527.55-236,918.53

Finding the Fourth Proportional to 427,905.15, 590,527.55 and 236,918.53

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Solution

The fourth proportional to 427,905.15, 590,527.55 and 236,918.53 is: 326,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,905.15 : 590,527.55 = 236,918.53 : x
  2. Step 2: Convert to fraction form
    427,905.15/590,527.55 = 236,918.53/x
  3. Step 3: Cross multiply
    427,905.15x = 590,527.55 × 236,918.53
  4. Step 4: Simplify right side
    427,905.15x = 139,906,920,400.96
  5. Step 5: Solve for x
    x = 139,906,920,400.96/427,905.15
  6. Step 6: Final answer
    x = 326,957.79

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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.