Finding the Fourth Proportional to 298,907.10, 411,651.99 and 292,375.26
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Solution
The fourth proportional to 298,907.10, 411,651.99 and 292,375.26 is: 402,656.40
Step by Step Solution
- Step 1: Write the proportion equation
298,907.10 : 411,651.99 = 292,375.26 : x - Step 2: Convert to fraction form
298,907.10/411,651.99 = 292,375.26/x - Step 3: Cross multiply
298,907.10x = 411,651.99 × 292,375.26 - Step 4: Simplify right side
298,907.10x = 120,356,857,605.77 - Step 5: Solve for x
x = 120,356,857,605.77/298,907.10 - Step 6: Final answer
x = 402,656.40
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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.