Finding the Fourth Proportional to 145,969.84, 218,794.81 and 57,125.70
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Solution
The fourth proportional to 145,969.84, 218,794.81 and 57,125.70 is: 85,625.95
Step by Step Solution
- Step 1: Write the proportion equation
145,969.84 : 218,794.81 = 57,125.70 : x - Step 2: Convert to fraction form
145,969.84/218,794.81 = 57,125.70/x - Step 3: Cross multiply
145,969.84x = 218,794.81 × 57,125.70 - Step 4: Simplify right side
145,969.84x = 12,498,806,677.62 - Step 5: Solve for x
x = 12,498,806,677.62/145,969.84 - Step 6: Final answer
x = 85,625.95
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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.