Home / 336,911.51-464,328.94-279,247.15

Finding the Fourth Proportional to 336,911.51, 464,328.94 and 279,247.15

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Solution

The fourth proportional to 336,911.51, 464,328.94 and 279,247.15 is: 384,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,911.51 : 464,328.94 = 279,247.15 : x
  2. Step 2: Convert to fraction form
    336,911.51/464,328.94 = 279,247.15/x
  3. Step 3: Cross multiply
    336,911.51x = 464,328.94 × 279,247.15
  4. Step 4: Simplify right side
    336,911.51x = 129,662,531,761.29
  5. Step 5: Solve for x
    x = 129,662,531,761.29/336,911.51
  6. Step 6: Final answer
    x = 384,856.34

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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.