Finding the Fourth Proportional to 122,415.80, 183,623.70 and 122,415.80
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Solution
The fourth proportional to 122,415.80, 183,623.70 and 122,415.80 is: 183,623.70
Step by Step Solution
- Step 1: Write the proportion equation
122,415.80 : 183,623.70 = 122,415.80 : x - Step 2: Convert to fraction form
122,415.80/183,623.70 = 122,415.80/x - Step 3: Cross multiply
122,415.80x = 183,623.70 × 122,415.80 - Step 4: Simplify right side
122,415.80x = 22,478,442,134.46 - Step 5: Solve for x
x = 22,478,442,134.46/122,415.80 - Step 6: Final answer
x = 183,623.70
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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.