Finding the Fourth Proportional to 122,130.68, 183,222.14 and 37,889.01
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Solution
The fourth proportional to 122,130.68, 183,222.14 and 37,889.01 is: 56,841.62
Step by Step Solution
- Step 1: Write the proportion equation
122,130.68 : 183,222.14 = 37,889.01 : x - Step 2: Convert to fraction form
122,130.68/183,222.14 = 37,889.01/x - Step 3: Cross multiply
122,130.68x = 183,222.14 × 37,889.01 - Step 4: Simplify right side
122,130.68x = 6,942,105,305.24 - Step 5: Solve for x
x = 6,942,105,305.24/122,130.68 - Step 6: Final answer
x = 56,841.62
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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.