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Finding the Fourth Proportional to 366,916.20, 549,718.20 and 310,491.60

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Solution

The fourth proportional to 366,916.20, 549,718.20 and 310,491.60 is: 465,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,916.20 : 549,718.20 = 310,491.60 : x
  2. Step 2: Convert to fraction form
    366,916.20/549,718.20 = 310,491.60/x
  3. Step 3: Cross multiply
    366,916.20x = 549,718.20 × 310,491.60
  4. Step 4: Simplify right side
    366,916.20x = 170,682,883,467.12
  5. Step 5: Solve for x
    x = 170,682,883,467.12/366,916.20
  6. Step 6: Final answer
    x = 465,182.20

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