Finding the Fourth Proportional to 227,607.98, 314,224.82 and 136,986.19
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Solution
The fourth proportional to 227,607.98, 314,224.82 and 136,986.19 is: 189,116.66
Step by Step Solution
- Step 1: Write the proportion equation
227,607.98 : 314,224.82 = 136,986.19 : x - Step 2: Convert to fraction form
227,607.98/314,224.82 = 136,986.19/x - Step 3: Cross multiply
227,607.98x = 314,224.82 × 136,986.19 - Step 4: Simplify right side
227,607.98x = 43,044,459,938.44 - Step 5: Solve for x
x = 43,044,459,938.44/227,607.98 - Step 6: Final answer
x = 189,116.66
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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.