Home / 236,946.48-355,438.04-79,175.48

Finding the Fourth Proportional to 236,946.48, 355,438.04 and 79,175.48

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Solution

The fourth proportional to 236,946.48, 355,438.04 and 79,175.48 is: 118,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,946.48 : 355,438.04 = 79,175.48 : x
  2. Step 2: Convert to fraction form
    236,946.48/355,438.04 = 79,175.48/x
  3. Step 3: Cross multiply
    236,946.48x = 355,438.04 × 79,175.48
  4. Step 4: Simplify right side
    236,946.48x = 28,141,977,427.26
  5. Step 5: Solve for x
    x = 28,141,977,427.26/236,946.48
  6. Step 6: Final answer
    x = 118,769.34

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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.