Finding the Fourth Proportional to 214,967.16, 319,744.35 and 214,247.88
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Solution
The fourth proportional to 214,967.16, 319,744.35 and 214,247.88 is: 318,674.49
Step by Step Solution
- Step 1: Write the proportion equation
214,967.16 : 319,744.35 = 214,247.88 : x - Step 2: Convert to fraction form
214,967.16/319,744.35 = 214,247.88/x - Step 3: Cross multiply
214,967.16x = 319,744.35 × 214,247.88 - Step 4: Simplify right side
214,967.16x = 68,504,549,129.48 - Step 5: Solve for x
x = 68,504,549,129.48/214,967.16 - Step 6: Final answer
x = 318,674.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.