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Finding the Fourth Proportional to 362,014.80, 543,281.40 and 151,803.60

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Solution

The fourth proportional to 362,014.80, 543,281.40 and 151,803.60 is: 227,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,014.80 : 543,281.40 = 151,803.60 : x
  2. Step 2: Convert to fraction form
    362,014.80/543,281.40 = 151,803.60/x
  3. Step 3: Cross multiply
    362,014.80x = 543,281.40 × 151,803.60
  4. Step 4: Simplify right side
    362,014.80x = 82,472,072,333.04
  5. Step 5: Solve for x
    x = 82,472,072,333.04/362,014.80
  6. Step 6: Final answer
    x = 227,814.09

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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.