Finding the Fourth Proportional to 251,918.84, 347,625.12 and 149,927.84
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Solution
The fourth proportional to 251,918.84, 347,625.12 and 149,927.84 is: 206,886.81
Step by Step Solution
- Step 1: Write the proportion equation
251,918.84 : 347,625.12 = 149,927.84 : x - Step 2: Convert to fraction form
251,918.84/347,625.12 = 149,927.84/x - Step 3: Cross multiply
251,918.84x = 347,625.12 × 149,927.84 - Step 4: Simplify right side
251,918.84x = 52,118,684,611.09 - Step 5: Solve for x
x = 52,118,684,611.09/251,918.84 - Step 6: Final answer
x = 206,886.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.