Finding the Fourth Proportional to 129,283.77, 193,925.67 and 40,545.03
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Solution
The fourth proportional to 129,283.77, 193,925.67 and 40,545.03 is: 60,817.55
Step by Step Solution
- Step 1: Write the proportion equation
129,283.77 : 193,925.67 = 40,545.03 : x - Step 2: Convert to fraction form
129,283.77/193,925.67 = 40,545.03/x - Step 3: Cross multiply
129,283.77x = 193,925.67 × 40,545.03 - Step 4: Simplify right side
129,283.77x = 7,862,722,107.92 - Step 5: Solve for x
x = 7,862,722,107.92/129,283.77 - Step 6: Final answer
x = 60,817.55
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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.