Finding the Fourth Proportional to 305,573.84, 458,382.84 and 127,902.08
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Solution
The fourth proportional to 305,573.84, 458,382.84 and 127,902.08 is: 191,862.36
Step by Step Solution
- Step 1: Write the proportion equation
305,573.84 : 458,382.84 = 127,902.08 : x - Step 2: Convert to fraction form
305,573.84/458,382.84 = 127,902.08/x - Step 3: Cross multiply
305,573.84x = 458,382.84 × 127,902.08 - Step 4: Simplify right side
305,573.84x = 58,628,118,672.31 - Step 5: Solve for x
x = 58,628,118,672.31/305,573.84 - Step 6: Final answer
x = 191,862.36
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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.