Finding the Fourth Proportional to 371,468.79, 557,283.20 and 115,296.03
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Solution
The fourth proportional to 371,468.79, 557,283.20 and 115,296.03 is: 172,968.88
Step by Step Solution
- Step 1: Write the proportion equation
371,468.79 : 557,283.20 = 115,296.03 : x - Step 2: Convert to fraction form
371,468.79/557,283.20 = 115,296.03/x - Step 3: Cross multiply
371,468.79x = 557,283.20 × 115,296.03 - Step 4: Simplify right side
371,468.79x = 64,252,539,969.22 - Step 5: Solve for x
x = 64,252,539,969.22/371,468.79 - Step 6: Final answer
x = 172,968.88
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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.