Home / 245,989.12-369,100.32-146,346.16

Finding the Fourth Proportional to 245,989.12, 369,100.32 and 146,346.16

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Solution

The fourth proportional to 245,989.12, 369,100.32 and 146,346.16 is: 219,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,989.12 : 369,100.32 = 146,346.16 : x
  2. Step 2: Convert to fraction form
    245,989.12/369,100.32 = 146,346.16/x
  3. Step 3: Cross multiply
    245,989.12x = 369,100.32 × 146,346.16
  4. Step 4: Simplify right side
    245,989.12x = 54,016,414,486.77
  5. Step 5: Solve for x
    x = 54,016,414,486.77/245,989.12
  6. Step 6: Final answer
    x = 219,588.63

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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.