Home / 685,153.17-1,027,705.08-179,710.11

Finding the Fourth Proportional to 685,153.17, 1,027,705.08 and 179,710.11

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Solution

The fourth proportional to 685,153.17, 1,027,705.08 and 179,710.11 is: 269,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,153.17 : 1,027,705.08 = 179,710.11 : x
  2. Step 2: Convert to fraction form
    685,153.17/1,027,705.08 = 179,710.11/x
  3. Step 3: Cross multiply
    685,153.17x = 1,027,705.08 × 179,710.11
  4. Step 4: Simplify right side
    685,153.17x = 184,688,992,974.36
  5. Step 5: Solve for x
    x = 184,688,992,974.36/685,153.17
  6. Step 6: Final answer
    x = 269,558.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.