Home / 274,561.44-378,901.98-153,702.18

Finding the Fourth Proportional to 274,561.44, 378,901.98 and 153,702.18

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Solution

The fourth proportional to 274,561.44, 378,901.98 and 153,702.18 is: 212,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,561.44 : 378,901.98 = 153,702.18 : x
  2. Step 2: Convert to fraction form
    274,561.44/378,901.98 = 153,702.18/x
  3. Step 3: Cross multiply
    274,561.44x = 378,901.98 × 153,702.18
  4. Step 4: Simplify right side
    274,561.44x = 58,238,060,332.32
  5. Step 5: Solve for x
    x = 58,238,060,332.32/274,561.44
  6. Step 6: Final answer
    x = 212,113.03

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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.