Finding the Fourth Proportional to 303,257.11, 455,165.79 and 153,602.49
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Solution
The fourth proportional to 303,257.11, 455,165.79 and 153,602.49 is: 230,545.62
Step by Step Solution
- Step 1: Write the proportion equation
303,257.11 : 455,165.79 = 153,602.49 : x - Step 2: Convert to fraction form
303,257.11/455,165.79 = 153,602.49/x - Step 3: Cross multiply
303,257.11x = 455,165.79 × 153,602.49 - Step 4: Simplify right side
303,257.11x = 69,914,599,465.63 - Step 5: Solve for x
x = 69,914,599,465.63/303,257.11 - Step 6: Final answer
x = 230,545.62
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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.