Finding the Fourth Proportional to 664,276.60, 996,414.90 and 243,497.80
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Solution
The fourth proportional to 664,276.60, 996,414.90 and 243,497.80 is: 365,246.70
Step by Step Solution
- Step 1: Write the proportion equation
664,276.60 : 996,414.90 = 243,497.80 : x - Step 2: Convert to fraction form
664,276.60/996,414.90 = 243,497.80/x - Step 3: Cross multiply
664,276.60x = 996,414.90 × 243,497.80 - Step 4: Simplify right side
664,276.60x = 242,624,836,037.22 - Step 5: Solve for x
x = 242,624,836,037.22/664,276.60 - Step 6: Final answer
x = 365,246.70
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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.