Home / 401,096.10-553,366.17-239,955.78

Finding the Fourth Proportional to 401,096.10, 553,366.17 and 239,955.78

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Solution

The fourth proportional to 401,096.10, 553,366.17 and 239,955.78 is: 331,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,096.10 : 553,366.17 = 239,955.78 : x
  2. Step 2: Convert to fraction form
    401,096.10/553,366.17 = 239,955.78/x
  3. Step 3: Cross multiply
    401,096.10x = 553,366.17 × 239,955.78
  4. Step 4: Simplify right side
    401,096.10x = 132,783,410,947.96
  5. Step 5: Solve for x
    x = 132,783,410,947.96/401,096.10
  6. Step 6: Final answer
    x = 331,051.36

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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.