Finding the Fourth Proportional to 214,986.60, 322,482.60 and 57,214.08
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Solution
The fourth proportional to 214,986.60, 322,482.60 and 57,214.08 is: 85,821.84
Step by Step Solution
- Step 1: Write the proportion equation
214,986.60 : 322,482.60 = 57,214.08 : x - Step 2: Convert to fraction form
214,986.60/322,482.60 = 57,214.08/x - Step 3: Cross multiply
214,986.60x = 322,482.60 × 57,214.08 - Step 4: Simplify right side
214,986.60x = 18,450,545,275.01 - Step 5: Solve for x
x = 18,450,545,275.01/214,986.60 - Step 6: Final answer
x = 85,821.84
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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.