Finding the Fourth Proportional to 746,642.12, 1,119,812.51 and 214,020.14
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Solution
The fourth proportional to 746,642.12, 1,119,812.51 and 214,020.14 is: 320,987.02
Step by Step Solution
- Step 1: Write the proportion equation
746,642.12 : 1,119,812.51 = 214,020.14 : x - Step 2: Convert to fraction form
746,642.12/1,119,812.51 = 214,020.14/x - Step 3: Cross multiply
746,642.12x = 1,119,812.51 × 214,020.14 - Step 4: Simplify right side
746,642.12x = 239,662,425,099.94 - Step 5: Solve for x
x = 239,662,425,099.94/746,642.12 - Step 6: Final answer
x = 320,987.02
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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.