Finding the Fourth Proportional to 791,309.17, 1,186,965.24 and 192,270.84
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Solution
The fourth proportional to 791,309.17, 1,186,965.24 and 192,270.84 is: 288,406.62
Step by Step Solution
- Step 1: Write the proportion equation
791,309.17 : 1,186,965.24 = 192,270.84 : x - Step 2: Convert to fraction form
791,309.17/1,186,965.24 = 192,270.84/x - Step 3: Cross multiply
791,309.17x = 1,186,965.24 × 192,270.84 - Step 4: Simplify right side
791,309.17x = 228,218,803,745.60 - Step 5: Solve for x
x = 228,218,803,745.60/791,309.17 - Step 6: Final answer
x = 288,406.62
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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.