Finding the Fourth Proportional to 161,114.21, 241,303.38 and 76,933.63
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Solution
The fourth proportional to 161,114.21, 241,303.38 and 76,933.63 is: 115,224.75
Step by Step Solution
- Step 1: Write the proportion equation
161,114.21 : 241,303.38 = 76,933.63 : x - Step 2: Convert to fraction form
161,114.21/241,303.38 = 76,933.63/x - Step 3: Cross multiply
161,114.21x = 241,303.38 × 76,933.63 - Step 4: Simplify right side
161,114.21x = 18,564,344,954.67 - Step 5: Solve for x
x = 18,564,344,954.67/161,114.21 - Step 6: Final answer
x = 115,224.75
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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.