Finding the Fourth Proportional to 303,669.06, 455,454.37 and 135,149.77
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Solution
The fourth proportional to 303,669.06, 455,454.37 and 135,149.77 is: 202,702.75
Step by Step Solution
- Step 1: Write the proportion equation
303,669.06 : 455,454.37 = 135,149.77 : x - Step 2: Convert to fraction form
303,669.06/455,454.37 = 135,149.77/x - Step 3: Cross multiply
303,669.06x = 455,454.37 × 135,149.77 - Step 4: Simplify right side
303,669.06x = 61,554,553,350.99 - Step 5: Solve for x
x = 61,554,553,350.99/303,669.06 - Step 6: Final answer
x = 202,702.75
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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.