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Finding the Fourth Proportional to 336,071.64, 463,467.22 and 245,283.87

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Solution

The fourth proportional to 336,071.64, 463,467.22 and 245,283.87 is: 338,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,071.64 : 463,467.22 = 245,283.87 : x
  2. Step 2: Convert to fraction form
    336,071.64/463,467.22 = 245,283.87/x
  3. Step 3: Cross multiply
    336,071.64x = 463,467.22 × 245,283.87
  4. Step 4: Simplify right side
    336,071.64x = 113,681,033,339.74
  5. Step 5: Solve for x
    x = 113,681,033,339.74/336,071.64
  6. Step 6: Final answer
    x = 338,264.29

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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.