Finding the Fourth Proportional to 664,297.30, 996,543.15 and 214,941.70
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Solution
The fourth proportional to 664,297.30, 996,543.15 and 214,941.70 is: 322,444.00
Step by Step Solution
- Step 1: Write the proportion equation
664,297.30 : 996,543.15 = 214,941.70 : x - Step 2: Convert to fraction form
664,297.30/996,543.15 = 214,941.70/x - Step 3: Cross multiply
664,297.30x = 996,543.15 × 214,941.70 - Step 4: Simplify right side
664,297.30x = 214,198,678,784.36 - Step 5: Solve for x
x = 214,198,678,784.36/664,297.30 - Step 6: Final answer
x = 322,444.00
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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.