Home / 320,818.93-442,828.83-184,943.76

Finding the Fourth Proportional to 320,818.93, 442,828.83 and 184,943.76

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Solution

The fourth proportional to 320,818.93, 442,828.83 and 184,943.76 is: 255,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,818.93 : 442,828.83 = 184,943.76 : x
  2. Step 2: Convert to fraction form
    320,818.93/442,828.83 = 184,943.76/x
  3. Step 3: Cross multiply
    320,818.93x = 442,828.83 × 184,943.76
  4. Step 4: Simplify right side
    320,818.93x = 81,898,428,856.60
  5. Step 5: Solve for x
    x = 81,898,428,856.60/320,818.93
  6. Step 6: Final answer
    x = 255,279.29

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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.