Home / 274,702.24-379,113.20-153,841.60

Finding the Fourth Proportional to 274,702.24, 379,113.20 and 153,841.60

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Solution

The fourth proportional to 274,702.24, 379,113.20 and 153,841.60 is: 212,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,702.24 : 379,113.20 = 153,841.60 : x
  2. Step 2: Convert to fraction form
    274,702.24/379,113.20 = 153,841.60/x
  3. Step 3: Cross multiply
    274,702.24x = 379,113.20 × 153,841.60
  4. Step 4: Simplify right side
    274,702.24x = 58,323,381,269.12
  5. Step 5: Solve for x
    x = 58,323,381,269.12/274,702.24
  6. Step 6: Final answer
    x = 212,314.91

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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.