Finding the Fourth Proportional to 664,331.30, 996,302.55 and 237,817.70
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Solution
The fourth proportional to 664,331.30, 996,302.55 and 237,817.70 is: 356,656.96
Step by Step Solution
- Step 1: Write the proportion equation
664,331.30 : 996,302.55 = 237,817.70 : x - Step 2: Convert to fraction form
664,331.30/996,302.55 = 237,817.70/x - Step 3: Cross multiply
664,331.30x = 996,302.55 × 237,817.70 - Step 4: Simplify right side
664,331.30x = 236,938,380,945.14 - Step 5: Solve for x
x = 236,938,380,945.14/664,331.30 - Step 6: Final answer
x = 356,656.96
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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.