Finding the Fourth Proportional to 379,808.25, 524,114.10 and 207,692.07
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Solution
The fourth proportional to 379,808.25, 524,114.10 and 207,692.07 is: 286,603.42
Step by Step Solution
- Step 1: Write the proportion equation
379,808.25 : 524,114.10 = 207,692.07 : x - Step 2: Convert to fraction form
379,808.25/524,114.10 = 207,692.07/x - Step 3: Cross multiply
379,808.25x = 524,114.10 × 207,692.07 - Step 4: Simplify right side
379,808.25x = 108,854,342,345.19 - Step 5: Solve for x
x = 108,854,342,345.19/379,808.25 - Step 6: Final answer
x = 286,603.42
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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.