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Finding the Fourth Proportional to 366,754.20, 549,475.20 and 310,329.60

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Solution

The fourth proportional to 366,754.20, 549,475.20 and 310,329.60 is: 464,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,754.20 : 549,475.20 = 310,329.60 : x
  2. Step 2: Convert to fraction form
    366,754.20/549,475.20 = 310,329.60/x
  3. Step 3: Cross multiply
    366,754.20x = 549,475.20 × 310,329.60
  4. Step 4: Simplify right side
    366,754.20x = 170,518,419,025.92
  5. Step 5: Solve for x
    x = 170,518,419,025.92/366,754.20
  6. Step 6: Final answer
    x = 464,939.24

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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.