Home / 236,426.40-354,639.60-217,072.80

Finding the Fourth Proportional to 236,426.40, 354,639.60 and 217,072.80

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Solution

The fourth proportional to 236,426.40, 354,639.60 and 217,072.80 is: 325,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,426.40 : 354,639.60 = 217,072.80 : x
  2. Step 2: Convert to fraction form
    236,426.40/354,639.60 = 217,072.80/x
  3. Step 3: Cross multiply
    236,426.40x = 354,639.60 × 217,072.80
  4. Step 4: Simplify right side
    236,426.40x = 76,982,610,962.88
  5. Step 5: Solve for x
    x = 76,982,610,962.88/236,426.40
  6. Step 6: Final answer
    x = 325,609.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.