Finding the Fourth Proportional to 369,516.63, 509,933.70 and 199,750.76
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Solution
The fourth proportional to 369,516.63, 509,933.70 and 199,750.76 is: 275,656.45
Step by Step Solution
- Step 1: Write the proportion equation
369,516.63 : 509,933.70 = 199,750.76 : x - Step 2: Convert to fraction form
369,516.63/509,933.70 = 199,750.76/x - Step 3: Cross multiply
369,516.63x = 509,933.70 × 199,750.76 - Step 4: Simplify right side
369,516.63x = 101,859,643,487.20 - Step 5: Solve for x
x = 101,859,643,487.20/369,516.63 - Step 6: Final answer
x = 275,656.45
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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.