Finding the Fourth Proportional to 145,879.84, 218,812.01 and 44,677.87
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Solution
The fourth proportional to 145,879.84, 218,812.01 and 44,677.87 is: 67,014.43
Step by Step Solution
- Step 1: Write the proportion equation
145,879.84 : 218,812.01 = 44,677.87 : x - Step 2: Convert to fraction form
145,879.84/218,812.01 = 44,677.87/x - Step 3: Cross multiply
145,879.84x = 218,812.01 × 44,677.87 - Step 4: Simplify right side
145,879.84x = 9,776,054,537.22 - Step 5: Solve for x
x = 9,776,054,537.22/145,879.84 - Step 6: Final answer
x = 67,014.43
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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.