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Finding the Fourth Proportional to 366,415.20, 549,622.80 and 303,429.60

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Solution

The fourth proportional to 366,415.20, 549,622.80 and 303,429.60 is: 455,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,415.20 : 549,622.80 = 303,429.60 : x
  2. Step 2: Convert to fraction form
    366,415.20/549,622.80 = 303,429.60/x
  3. Step 3: Cross multiply
    366,415.20x = 549,622.80 × 303,429.60
  4. Step 4: Simplify right side
    366,415.20x = 166,771,826,354.88
  5. Step 5: Solve for x
    x = 166,771,826,354.88/366,415.20
  6. Step 6: Final answer
    x = 455,144.40

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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.