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Finding the Fourth Proportional to 365,803.40, 548,468.30 and 155,384.20

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Solution

The fourth proportional to 365,803.40, 548,468.30 and 155,384.20 is: 232,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,803.40 : 548,468.30 = 155,384.20 : x
  2. Step 2: Convert to fraction form
    365,803.40/548,468.30 = 155,384.20/x
  3. Step 3: Cross multiply
    365,803.40x = 548,468.30 × 155,384.20
  4. Step 4: Simplify right side
    365,803.40x = 85,223,308,020.86
  5. Step 5: Solve for x
    x = 85,223,308,020.86/365,803.40
  6. Step 6: Final answer
    x = 232,975.71

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