Finding the Fourth Proportional to 136,788.41, 205,254.84 and 97,064.09
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Solution
The fourth proportional to 136,788.41, 205,254.84 and 97,064.09 is: 145,647.39
Step by Step Solution
- Step 1: Write the proportion equation
136,788.41 : 205,254.84 = 97,064.09 : x - Step 2: Convert to fraction form
136,788.41/205,254.84 = 97,064.09/x - Step 3: Cross multiply
136,788.41x = 205,254.84 × 97,064.09 - Step 4: Simplify right side
136,788.41x = 19,922,874,262.70 - Step 5: Solve for x
x = 19,922,874,262.70/136,788.41 - Step 6: Final answer
x = 145,647.39
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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.