Finding the Fourth Proportional to 161,236.92, 241,952.58 and 56,129.70
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Solution
The fourth proportional to 161,236.92, 241,952.58 and 56,129.70 is: 84,228.39
Step by Step Solution
- Step 1: Write the proportion equation
161,236.92 : 241,952.58 = 56,129.70 : x - Step 2: Convert to fraction form
161,236.92/241,952.58 = 56,129.70/x - Step 3: Cross multiply
161,236.92x = 241,952.58 × 56,129.70 - Step 4: Simplify right side
161,236.92x = 13,580,725,729.63 - Step 5: Solve for x
x = 13,580,725,729.63/161,236.92 - Step 6: Final answer
x = 84,228.39
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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.