Finding the Fourth Proportional to 755,446.22, 1,133,292.35 and 223,021.07
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Solution
The fourth proportional to 755,446.22, 1,133,292.35 and 223,021.07 is: 334,567.92
Step by Step Solution
- Step 1: Write the proportion equation
755,446.22 : 1,133,292.35 = 223,021.07 : x - Step 2: Convert to fraction form
755,446.22/1,133,292.35 = 223,021.07/x - Step 3: Cross multiply
755,446.22x = 1,133,292.35 × 223,021.07 - Step 4: Simplify right side
755,446.22x = 252,748,069,988.09 - Step 5: Solve for x
x = 252,748,069,988.09/755,446.22 - Step 6: Final answer
x = 334,567.92
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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.