Finding the Fourth Proportional to 303,570.99, 455,636.52 and 153,915.75
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Solution
The fourth proportional to 303,570.99, 455,636.52 and 153,915.75 is: 231,015.61
Step by Step Solution
- Step 1: Write the proportion equation
303,570.99 : 455,636.52 = 153,915.75 : x - Step 2: Convert to fraction form
303,570.99/455,636.52 = 153,915.75/x - Step 3: Cross multiply
303,570.99x = 455,636.52 × 153,915.75 - Step 4: Simplify right side
303,570.99x = 70,129,636,703.19 - Step 5: Solve for x
x = 70,129,636,703.19/303,570.99 - Step 6: Final answer
x = 231,015.61
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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.