Finding the Fourth Proportional to 199,778.84, 275,703.19 and 114,895.98
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Solution
The fourth proportional to 199,778.84, 275,703.19 and 114,895.98 is: 158,561.28
Step by Step Solution
- Step 1: Write the proportion equation
199,778.84 : 275,703.19 = 114,895.98 : x - Step 2: Convert to fraction form
199,778.84/275,703.19 = 114,895.98/x - Step 3: Cross multiply
199,778.84x = 275,703.19 × 114,895.98 - Step 4: Simplify right side
199,778.84x = 31,677,188,204.18 - Step 5: Solve for x
x = 31,677,188,204.18/199,778.84 - Step 6: Final answer
x = 158,561.28
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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.