Finding the Fourth Proportional to 166,385.49, 229,611.98 and 90,933.99
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Solution
The fourth proportional to 166,385.49, 229,611.98 and 90,933.99 is: 125,488.91
Step by Step Solution
- Step 1: Write the proportion equation
166,385.49 : 229,611.98 = 90,933.99 : x - Step 2: Convert to fraction form
166,385.49/229,611.98 = 90,933.99/x - Step 3: Cross multiply
166,385.49x = 229,611.98 × 90,933.99 - Step 4: Simplify right side
166,385.49x = 20,879,533,038.53 - Step 5: Solve for x
x = 20,879,533,038.53/166,385.49 - Step 6: Final answer
x = 125,488.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.