Finding the Fourth Proportional to 358,188.99, 537,098.50 and 105,436.64
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Solution
The fourth proportional to 358,188.99, 537,098.50 and 105,436.64 is: 158,100.50
Step by Step Solution
- Step 1: Write the proportion equation
358,188.99 : 537,098.50 = 105,436.64 : x - Step 2: Convert to fraction form
358,188.99/537,098.50 = 105,436.64/x - Step 3: Cross multiply
358,188.99x = 537,098.50 × 105,436.64 - Step 4: Simplify right side
358,188.99x = 56,629,859,049.32 - Step 5: Solve for x
x = 56,629,859,049.32/358,188.99 - Step 6: Final answer
x = 158,100.50
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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.