Finding the Fourth Proportional to 177,678.06, 245,195.31 and 101,197.14
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Solution
The fourth proportional to 177,678.06, 245,195.31 and 101,197.14 is: 139,651.82
Step by Step Solution
- Step 1: Write the proportion equation
177,678.06 : 245,195.31 = 101,197.14 : x - Step 2: Convert to fraction form
177,678.06/245,195.31 = 101,197.14/x - Step 3: Cross multiply
177,678.06x = 245,195.31 × 101,197.14 - Step 4: Simplify right side
177,678.06x = 24,813,064,113.41 - Step 5: Solve for x
x = 24,813,064,113.41/177,678.06 - Step 6: Final answer
x = 139,651.82
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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.