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Finding the Fourth Proportional to 275,365.23, 380,007.14 and 160,640.07

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Solution

The fourth proportional to 275,365.23, 380,007.14 and 160,640.07 is: 221,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,365.23 : 380,007.14 = 160,640.07 : x
  2. Step 2: Convert to fraction form
    275,365.23/380,007.14 = 160,640.07/x
  3. Step 3: Cross multiply
    275,365.23x = 380,007.14 × 160,640.07
  4. Step 4: Simplify right side
    275,365.23x = 61,044,373,570.10
  5. Step 5: Solve for x
    x = 61,044,373,570.10/275,365.23
  6. Step 6: Final answer
    x = 221,685.12

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1.5x scale

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.