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Finding the Fourth Proportional to 341,366.40, 471,052.80 and 190,425.60

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Solution

The fourth proportional to 341,366.40, 471,052.80 and 190,425.60 is: 262,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,366.40 : 471,052.80 = 190,425.60 : x
  2. Step 2: Convert to fraction form
    341,366.40/471,052.80 = 190,425.60/x
  3. Step 3: Cross multiply
    341,366.40x = 471,052.80 × 190,425.60
  4. Step 4: Simplify right side
    341,366.40x = 89,700,512,071.68
  5. Step 5: Solve for x
    x = 89,700,512,071.68/341,366.40
  6. Step 6: Final answer
    x = 262,769.01

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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.