Finding the Fourth Proportional to 127,727.70, 191,677.95 and 71,567.70
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Solution
The fourth proportional to 127,727.70, 191,677.95 and 71,567.70 is: 107,399.96
Step by Step Solution
- Step 1: Write the proportion equation
127,727.70 : 191,677.95 = 71,567.70 : x - Step 2: Convert to fraction form
127,727.70/191,677.95 = 71,567.70/x - Step 3: Cross multiply
127,727.70x = 191,677.95 × 71,567.70 - Step 4: Simplify right side
127,727.70x = 13,717,950,022.22 - Step 5: Solve for x
x = 13,717,950,022.22/127,727.70 - Step 6: Final answer
x = 107,399.96
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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.