Finding the Fourth Proportional to 177,778.82, 245,326.16 and 101,315.84
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Solution
The fourth proportional to 177,778.82, 245,326.16 and 101,315.84 is: 139,810.95
Step by Step Solution
- Step 1: Write the proportion equation
177,778.82 : 245,326.16 = 101,315.84 : x - Step 2: Convert to fraction form
177,778.82/245,326.16 = 101,315.84/x - Step 3: Cross multiply
177,778.82x = 245,326.16 × 101,315.84 - Step 4: Simplify right side
177,778.82x = 24,855,424,241.16 - Step 5: Solve for x
x = 24,855,424,241.16/177,778.82 - Step 6: Final answer
x = 139,810.95
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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.