Home / 236,822.40-355,233.60-162,172.80

Finding the Fourth Proportional to 236,822.40, 355,233.60 and 162,172.80

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Solution

The fourth proportional to 236,822.40, 355,233.60 and 162,172.80 is: 243,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,822.40 : 355,233.60 = 162,172.80 : x
  2. Step 2: Convert to fraction form
    236,822.40/355,233.60 = 162,172.80/x
  3. Step 3: Cross multiply
    236,822.40x = 355,233.60 × 162,172.80
  4. Step 4: Simplify right side
    236,822.40x = 57,609,227,566.08
  5. Step 5: Solve for x
    x = 57,609,227,566.08/236,822.40
  6. Step 6: Final answer
    x = 243,259.20

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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.