Finding the Fourth Proportional to 171,544.18, 257,228.52 and 71,677.12
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Solution
The fourth proportional to 171,544.18, 257,228.52 and 71,677.12 is: 107,479.02
Step by Step Solution
- Step 1: Write the proportion equation
171,544.18 : 257,228.52 = 71,677.12 : x - Step 2: Convert to fraction form
171,544.18/257,228.52 = 71,677.12/x - Step 3: Cross multiply
171,544.18x = 257,228.52 × 71,677.12 - Step 4: Simplify right side
171,544.18x = 18,437,399,495.46 - Step 5: Solve for x
x = 18,437,399,495.46/171,544.18 - Step 6: Final answer
x = 107,479.02
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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.