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Finding the Fourth Proportional to 366,014.40, 549,021.60 and 259,726.20

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Solution

The fourth proportional to 366,014.40, 549,021.60 and 259,726.20 is: 389,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,014.40 : 549,021.60 = 259,726.20 : x
  2. Step 2: Convert to fraction form
    366,014.40/549,021.60 = 259,726.20/x
  3. Step 3: Cross multiply
    366,014.40x = 549,021.60 × 259,726.20
  4. Step 4: Simplify right side
    366,014.40x = 142,595,293,885.92
  5. Step 5: Solve for x
    x = 142,595,293,885.92/366,014.40
  6. Step 6: Final answer
    x = 389,589.30

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Similar ratio
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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.