Finding the Fourth Proportional to 165,461.40, 248,317.29 and 121,203.18
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Solution
The fourth proportional to 165,461.40, 248,317.29 and 121,203.18 is: 181,896.47
Step by Step Solution
- Step 1: Write the proportion equation
165,461.40 : 248,317.29 = 121,203.18 : x - Step 2: Convert to fraction form
165,461.40/248,317.29 = 121,203.18/x - Step 3: Cross multiply
165,461.40x = 248,317.29 × 121,203.18 - Step 4: Simplify right side
165,461.40x = 30,096,845,196.98 - Step 5: Solve for x
x = 30,096,845,196.98/165,461.40 - Step 6: Final answer
x = 181,896.47
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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.