Finding the Fourth Proportional to 345,920.09, 477,369.81 and 195,017.09
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Solution
The fourth proportional to 345,920.09, 477,369.81 and 195,017.09 is: 269,123.63
Step by Step Solution
- Step 1: Write the proportion equation
345,920.09 : 477,369.81 = 195,017.09 : x - Step 2: Convert to fraction form
345,920.09/477,369.81 = 195,017.09/x - Step 3: Cross multiply
345,920.09x = 477,369.81 × 195,017.09 - Step 4: Simplify right side
345,920.09x = 93,095,268,813.20 - Step 5: Solve for x
x = 93,095,268,813.20/345,920.09 - Step 6: Final answer
x = 269,123.63
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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.