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Finding the Fourth Proportional to 291,880.08, 402,795.05 and 164,555.37

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Solution

The fourth proportional to 291,880.08, 402,795.05 and 164,555.37 is: 227,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,880.08 : 402,795.05 = 164,555.37 : x
  2. Step 2: Convert to fraction form
    291,880.08/402,795.05 = 164,555.37/x
  3. Step 3: Cross multiply
    291,880.08x = 402,795.05 × 164,555.37
  4. Step 4: Simplify right side
    291,880.08x = 66,282,087,664.14
  5. Step 5: Solve for x
    x = 66,282,087,664.14/291,880.08
  6. Step 6: Final answer
    x = 227,086.71

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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.