Home / 305,192.52-421,081.34-176,122.13

Finding the Fourth Proportional to 305,192.52, 421,081.34 and 176,122.13

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Solution

The fourth proportional to 305,192.52, 421,081.34 and 176,122.13 is: 242,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,192.52 : 421,081.34 = 176,122.13 : x
  2. Step 2: Convert to fraction form
    305,192.52/421,081.34 = 176,122.13/x
  3. Step 3: Cross multiply
    305,192.52x = 421,081.34 × 176,122.13
  4. Step 4: Simplify right side
    305,192.52x = 74,161,739,518.04
  5. Step 5: Solve for x
    x = 74,161,739,518.04/305,192.52
  6. Step 6: Final answer
    x = 242,999.86

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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.