Finding the Fourth Proportional to 664,389.12, 996,741.36 and 215,110.02
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Solution
The fourth proportional to 664,389.12, 996,741.36 and 215,110.02 is: 322,716.08
Step by Step Solution
- Step 1: Write the proportion equation
664,389.12 : 996,741.36 = 215,110.02 : x - Step 2: Convert to fraction form
664,389.12/996,741.36 = 215,110.02/x - Step 3: Cross multiply
664,389.12x = 996,741.36 × 215,110.02 - Step 4: Simplify right side
664,389.12x = 214,409,053,884.43 - Step 5: Solve for x
x = 214,409,053,884.43/664,389.12 - Step 6: Final answer
x = 322,716.08
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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.