Finding the Fourth Proportional to 366,986.70, 513,159.30 and 366,986.70
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Solution
The fourth proportional to 366,986.70, 513,159.30 and 366,986.70 is: 513,159.30
Step by Step Solution
- Step 1: Write the proportion equation
366,986.70 : 513,159.30 = 366,986.70 : x - Step 2: Convert to fraction form
366,986.70/513,159.30 = 366,986.70/x - Step 3: Cross multiply
366,986.70x = 513,159.30 × 366,986.70 - Step 4: Simplify right side
366,986.70x = 188,322,638,081.31 - Step 5: Solve for x
x = 188,322,638,081.31/366,986.70 - Step 6: Final answer
x = 513,159.30
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.