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Finding the Fourth Proportional to 341,491.60, 512,237.40 and 119,846.80

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Solution

The fourth proportional to 341,491.60, 512,237.40 and 119,846.80 is: 179,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,491.60 : 512,237.40 = 119,846.80 : x
  2. Step 2: Convert to fraction form
    341,491.60/512,237.40 = 119,846.80/x
  3. Step 3: Cross multiply
    341,491.60x = 512,237.40 × 119,846.80
  4. Step 4: Simplify right side
    341,491.60x = 61,390,013,230.32
  5. Step 5: Solve for x
    x = 61,390,013,230.32/341,491.60
  6. Step 6: Final answer
    x = 179,770.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.