Finding the Fourth Proportional to 145,640.82, 218,546.14 and 61,395.82
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Solution
The fourth proportional to 145,640.82, 218,546.14 and 61,395.82 is: 92,129.52
Step by Step Solution
- Step 1: Write the proportion equation
145,640.82 : 218,546.14 = 61,395.82 : x - Step 2: Convert to fraction form
145,640.82/218,546.14 = 61,395.82/x - Step 3: Cross multiply
145,640.82x = 218,546.14 × 61,395.82 - Step 4: Simplify right side
145,640.82x = 13,417,819,473.13 - Step 5: Solve for x
x = 13,417,819,473.13/145,640.82 - Step 6: Final answer
x = 92,129.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.