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Finding the Fourth Proportional to 366,470.40, 549,784.08 and 113,745.60

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Solution

The fourth proportional to 366,470.40, 549,784.08 and 113,745.60 is: 170,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,470.40 : 549,784.08 = 113,745.60 : x
  2. Step 2: Convert to fraction form
    366,470.40/549,784.08 = 113,745.60/x
  3. Step 3: Cross multiply
    366,470.40x = 549,784.08 × 113,745.60
  4. Step 4: Simplify right side
    366,470.40x = 62,535,520,050.05
  5. Step 5: Solve for x
    x = 62,535,520,050.05/366,470.40
  6. Step 6: Final answer
    x = 170,642.76

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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.