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Finding the Fourth Proportional to 341,510.64, 471,311.64 and 198,315.60

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Solution

The fourth proportional to 341,510.64, 471,311.64 and 198,315.60 is: 273,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,510.64 : 471,311.64 = 198,315.60 : x
  2. Step 2: Convert to fraction form
    341,510.64/471,311.64 = 198,315.60/x
  3. Step 3: Cross multiply
    341,510.64x = 471,311.64 × 198,315.60
  4. Step 4: Simplify right side
    341,510.64x = 93,468,450,673.58
  5. Step 5: Solve for x
    x = 93,468,450,673.58/341,510.64
  6. Step 6: Final answer
    x = 273,691.18

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1.5x scale

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.