Finding the Fourth Proportional to 663,213.36, 994,984.06 and 213,981.68
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Solution
The fourth proportional to 663,213.36, 994,984.06 and 213,981.68 is: 321,025.44
Step by Step Solution
- Step 1: Write the proportion equation
663,213.36 : 994,984.06 = 213,981.68 : x - Step 2: Convert to fraction form
663,213.36/994,984.06 = 213,981.68/x - Step 3: Cross multiply
663,213.36x = 994,984.06 × 213,981.68 - Step 4: Simplify right side
663,213.36x = 212,908,360,732.02 - Step 5: Solve for x
x = 212,908,360,732.02/663,213.36 - Step 6: Final answer
x = 321,025.44
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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.