Finding the Fourth Proportional to 161,072.68, 241,644.06 and 48,750.76
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Solution
The fourth proportional to 161,072.68, 241,644.06 and 48,750.76 is: 73,136.75
Step by Step Solution
- Step 1: Write the proportion equation
161,072.68 : 241,644.06 = 48,750.76 : x - Step 2: Convert to fraction form
161,072.68/241,644.06 = 48,750.76/x - Step 3: Cross multiply
161,072.68x = 241,644.06 × 48,750.76 - Step 4: Simplify right side
161,072.68x = 11,780,331,574.49 - Step 5: Solve for x
x = 11,780,331,574.49/161,072.68 - Step 6: Final answer
x = 73,136.75
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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.