Finding the Fourth Proportional to 122,254.87, 183,425.93 and 74,321.00
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Solution
The fourth proportional to 122,254.87, 183,425.93 and 74,321.00 is: 111,508.02
Step by Step Solution
- Step 1: Write the proportion equation
122,254.87 : 183,425.93 = 74,321.00 : x - Step 2: Convert to fraction form
122,254.87/183,425.93 = 74,321.00/x - Step 3: Cross multiply
122,254.87x = 183,425.93 × 74,321.00 - Step 4: Simplify right side
122,254.87x = 13,632,398,123.52 - Step 5: Solve for x
x = 13,632,398,123.52/122,254.87 - Step 6: Final answer
x = 111,508.02
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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.