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Finding the Fourth Proportional to 214,364.64, 295,821.48 and 118,871.64

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Solution

The fourth proportional to 214,364.64, 295,821.48 and 118,871.64 is: 164,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,364.64 : 295,821.48 = 118,871.64 : x
  2. Step 2: Convert to fraction form
    214,364.64/295,821.48 = 118,871.64/x
  3. Step 3: Cross multiply
    214,364.64x = 295,821.48 × 118,871.64
  4. Step 4: Simplify right side
    214,364.64x = 35,164,784,474.83
  5. Step 5: Solve for x
    x = 35,164,784,474.83/214,364.64
  6. Step 6: Final answer
    x = 164,041.91

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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.