Finding the Fourth Proportional to 609,283.58, 914,012.82 and 209,817.09
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Solution
The fourth proportional to 609,283.58, 914,012.82 and 209,817.09 is: 314,755.75
Step by Step Solution
- Step 1: Write the proportion equation
609,283.58 : 914,012.82 = 209,817.09 : x - Step 2: Convert to fraction form
609,283.58/914,012.82 = 209,817.09/x - Step 3: Cross multiply
609,283.58x = 914,012.82 × 209,817.09 - Step 4: Simplify right side
609,283.58x = 191,775,510,115.09 - Step 5: Solve for x
x = 191,775,510,115.09/609,283.58 - Step 6: Final answer
x = 314,755.75
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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.