Finding the Fourth Proportional to 320,263.68, 441,670.08 and 192,717.84
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Solution
The fourth proportional to 320,263.68, 441,670.08 and 192,717.84 is: 265,773.83
Step by Step Solution
- Step 1: Write the proportion equation
320,263.68 : 441,670.08 = 192,717.84 : x - Step 2: Convert to fraction form
320,263.68/441,670.08 = 192,717.84/x - Step 3: Cross multiply
320,263.68x = 441,670.08 × 192,717.84 - Step 4: Simplify right side
320,263.68x = 85,117,703,810.23 - Step 5: Solve for x
x = 85,117,703,810.23/320,263.68 - Step 6: Final answer
x = 265,773.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.