Finding the Fourth Proportional to 419,558.09, 629,088.20 and 166,702.91
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Solution
The fourth proportional to 419,558.09, 629,088.20 and 166,702.91 is: 249,955.45
Step by Step Solution
- Step 1: Write the proportion equation
419,558.09 : 629,088.20 = 166,702.91 : x - Step 2: Convert to fraction form
419,558.09/629,088.20 = 166,702.91/x - Step 3: Cross multiply
419,558.09x = 629,088.20 × 166,702.91 - Step 4: Simplify right side
419,558.09x = 104,870,832,753.15 - Step 5: Solve for x
x = 104,870,832,753.15/419,558.09 - Step 6: Final answer
x = 249,955.45
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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.