Finding the Fourth Proportional to 371,706.63, 512,965.64 and 210,561.63
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Solution
The fourth proportional to 371,706.63, 512,965.64 and 210,561.63 is: 290,580.99
Step by Step Solution
- Step 1: Write the proportion equation
371,706.63 : 512,965.64 = 210,561.63 : x - Step 2: Convert to fraction form
371,706.63/512,965.64 = 210,561.63/x - Step 3: Cross multiply
371,706.63x = 512,965.64 × 210,561.63 - Step 4: Simplify right side
371,706.63x = 108,010,881,292.39 - Step 5: Solve for x
x = 108,010,881,292.39/371,706.63 - Step 6: Final answer
x = 290,580.99
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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.