Home / 274,702.07-379,070.81-153,815.64

Finding the Fourth Proportional to 274,702.07, 379,070.81 and 153,815.64

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Solution

The fourth proportional to 274,702.07, 379,070.81 and 153,815.64 is: 212,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,702.07 : 379,070.81 = 153,815.64 : x
  2. Step 2: Convert to fraction form
    274,702.07/379,070.81 = 153,815.64/x
  3. Step 3: Cross multiply
    274,702.07x = 379,070.81 × 153,815.64
  4. Step 4: Simplify right side
    274,702.07x = 58,307,019,142.50
  5. Step 5: Solve for x
    x = 58,307,019,142.50/274,702.07
  6. Step 6: Final answer
    x = 212,255.48

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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.