Finding the Fourth Proportional to 106,219.18, 158,365.70 and 103,448.98
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Solution
The fourth proportional to 106,219.18, 158,365.70 and 103,448.98 is: 154,235.52
Step by Step Solution
- Step 1: Write the proportion equation
106,219.18 : 158,365.70 = 103,448.98 : x - Step 2: Convert to fraction form
106,219.18/158,365.70 = 103,448.98/x - Step 3: Cross multiply
106,219.18x = 158,365.70 × 103,448.98 - Step 4: Simplify right side
106,219.18x = 16,382,770,131.99 - Step 5: Solve for x
x = 16,382,770,131.99/106,219.18 - Step 6: Final answer
x = 154,235.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.