Home / 274,274.04-378,495.45-153,413.94

Finding the Fourth Proportional to 274,274.04, 378,495.45 and 153,413.94

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Solution

The fourth proportional to 274,274.04, 378,495.45 and 153,413.94 is: 211,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,274.04 : 378,495.45 = 153,413.94 : x
  2. Step 2: Convert to fraction form
    274,274.04/378,495.45 = 153,413.94/x
  3. Step 3: Cross multiply
    274,274.04x = 378,495.45 × 153,413.94
  4. Step 4: Simplify right side
    274,274.04x = 58,066,478,256.57
  5. Step 5: Solve for x
    x = 58,066,478,256.57/274,274.04
  6. Step 6: Final answer
    x = 211,709.71

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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.