Home / 281,610.06-388,621.83-168,459.54

Finding the Fourth Proportional to 281,610.06, 388,621.83 and 168,459.54

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Solution

The fourth proportional to 281,610.06, 388,621.83 and 168,459.54 is: 232,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,610.06 : 388,621.83 = 168,459.54 : x
  2. Step 2: Convert to fraction form
    281,610.06/388,621.83 = 168,459.54/x
  3. Step 3: Cross multiply
    281,610.06x = 388,621.83 × 168,459.54
  4. Step 4: Simplify right side
    281,610.06x = 65,467,054,715.76
  5. Step 5: Solve for x
    x = 65,467,054,715.76/281,610.06
  6. Step 6: Final answer
    x = 232,474.13

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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.