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Finding the Fourth Proportional to 366,415.60, 549,623.40 and 330,257.20

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Solution

The fourth proportional to 366,415.60, 549,623.40 and 330,257.20 is: 495,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,415.60 : 549,623.40 = 330,257.20 : x
  2. Step 2: Convert to fraction form
    366,415.60/549,623.40 = 330,257.20/x
  3. Step 3: Cross multiply
    366,415.60x = 549,623.40 × 330,257.20
  4. Step 4: Simplify right side
    366,415.60x = 181,517,085,138.48
  5. Step 5: Solve for x
    x = 181,517,085,138.48/366,415.60
  6. Step 6: Final answer
    x = 495,385.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.