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Finding the Fourth Proportional to 366,842.40, 549,745.20 and 226,183.20

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Solution

The fourth proportional to 366,842.40, 549,745.20 and 226,183.20 is: 338,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,842.40 : 549,745.20 = 226,183.20 : x
  2. Step 2: Convert to fraction form
    366,842.40/549,745.20 = 226,183.20/x
  3. Step 3: Cross multiply
    366,842.40x = 549,745.20 × 226,183.20
  4. Step 4: Simplify right side
    366,842.40x = 124,343,128,520.64
  5. Step 5: Solve for x
    x = 124,343,128,520.64/366,842.40
  6. Step 6: Final answer
    x = 338,955.17

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1.5x scale

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.