Home / 331,035-456,828.30-180,133.08

Finding the Fourth Proportional to 331,035, 456,828.30 and 180,133.08

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Solution

The fourth proportional to 331,035, 456,828.30 and 180,133.08 is: 248,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,035 : 456,828.30 = 180,133.08 : x
  2. Step 2: Convert to fraction form
    331,035/456,828.30 = 180,133.08/x
  3. Step 3: Cross multiply
    331,035x = 456,828.30 × 180,133.08
  4. Step 4: Simplify right side
    331,035x = 82,289,888,710.16
  5. Step 5: Solve for x
    x = 82,289,888,710.16/331,035
  6. Step 6: Final answer
    x = 248,583.65

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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.