Finding the Fourth Proportional to 161,090.64, 241,543.36 and 66,386.19
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Solution
The fourth proportional to 161,090.64, 241,543.36 and 66,386.19 is: 99,541.12
Step by Step Solution
- Step 1: Write the proportion equation
161,090.64 : 241,543.36 = 66,386.19 : x - Step 2: Convert to fraction form
161,090.64/241,543.36 = 66,386.19/x - Step 3: Cross multiply
161,090.64x = 241,543.36 × 66,386.19 - Step 4: Simplify right side
161,090.64x = 16,035,143,390.20 - Step 5: Solve for x
x = 16,035,143,390.20/161,090.64 - Step 6: Final answer
x = 99,541.12
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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.