Finding the Fourth Proportional to 303,573.99, 455,641.02 and 153,918.75
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Solution
The fourth proportional to 303,573.99, 455,641.02 and 153,918.75 is: 231,020.11
Step by Step Solution
- Step 1: Write the proportion equation
303,573.99 : 455,641.02 = 153,918.75 : x - Step 2: Convert to fraction form
303,573.99/455,641.02 = 153,918.75/x - Step 3: Cross multiply
303,573.99x = 455,641.02 × 153,918.75 - Step 4: Simplify right side
303,573.99x = 70,131,696,247.13 - Step 5: Solve for x
x = 70,131,696,247.13/303,573.99 - Step 6: Final answer
x = 231,020.11
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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.