Home / 302,121.72-416,918.45-166,155.26

Finding the Fourth Proportional to 302,121.72, 416,918.45 and 166,155.26

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Solution

The fourth proportional to 302,121.72, 416,918.45 and 166,155.26 is: 229,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,121.72 : 416,918.45 = 166,155.26 : x
  2. Step 2: Convert to fraction form
    302,121.72/416,918.45 = 166,155.26/x
  3. Step 3: Cross multiply
    302,121.72x = 416,918.45 × 166,155.26
  4. Step 4: Simplify right side
    302,121.72x = 69,273,190,543.18
  5. Step 5: Solve for x
    x = 69,273,190,543.18/302,121.72
  6. Step 6: Final answer
    x = 229,289.01

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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.