Finding the Fourth Proportional to 303,813.36, 455,718.60 and 168,813.84
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Solution
The fourth proportional to 303,813.36, 455,718.60 and 168,813.84 is: 253,219.96
Step by Step Solution
- Step 1: Write the proportion equation
303,813.36 : 455,718.60 = 168,813.84 : x - Step 2: Convert to fraction form
303,813.36/455,718.60 = 168,813.84/x - Step 3: Cross multiply
303,813.36x = 455,718.60 × 168,813.84 - Step 4: Simplify right side
303,813.36x = 76,931,606,825.42 - Step 5: Solve for x
x = 76,931,606,825.42/303,813.36 - Step 6: Final answer
x = 253,219.96
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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.