Finding the Fourth Proportional to 765,669.08, 1,148,503.62 and 204,689
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Solution
The fourth proportional to 765,669.08, 1,148,503.62 and 204,689 is: 307,033.50
Step by Step Solution
- Step 1: Write the proportion equation
765,669.08 : 1,148,503.62 = 204,689 : x - Step 2: Convert to fraction form
765,669.08/1,148,503.62 = 204,689/x - Step 3: Cross multiply
765,669.08x = 1,148,503.62 × 204,689 - Step 4: Simplify right side
765,669.08x = 235,086,057,474.18 - Step 5: Solve for x
x = 235,086,057,474.18/765,669.08 - Step 6: Final answer
x = 307,033.50
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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.