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Finding the Fourth Proportional to 259,491.78, 358,098.72 and 146,314.56

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Solution

The fourth proportional to 259,491.78, 358,098.72 and 146,314.56 is: 201,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,491.78 : 358,098.72 = 146,314.56 : x
  2. Step 2: Convert to fraction form
    259,491.78/358,098.72 = 146,314.56/x
  3. Step 3: Cross multiply
    259,491.78x = 358,098.72 × 146,314.56
  4. Step 4: Simplify right side
    259,491.78x = 52,395,056,653.36
  5. Step 5: Solve for x
    x = 52,395,056,653.36/259,491.78
  6. Step 6: Final answer
    x = 201,914.13

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1.5x scale

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.