Finding the Fourth Proportional to 123,423.36, 185,106.18 and 34,685.40
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Solution
The fourth proportional to 123,423.36, 185,106.18 and 34,685.40 is: 52,019.99
Step by Step Solution
- Step 1: Write the proportion equation
123,423.36 : 185,106.18 = 34,685.40 : x - Step 2: Convert to fraction form
123,423.36/185,106.18 = 34,685.40/x - Step 3: Cross multiply
123,423.36x = 185,106.18 × 34,685.40 - Step 4: Simplify right side
123,423.36x = 6,420,481,895.77 - Step 5: Solve for x
x = 6,420,481,895.77/123,423.36 - Step 6: Final answer
x = 52,019.99
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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.