Finding the Fourth Proportional to 122,362.42, 183,508.11 and 51,283.19
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Solution
The fourth proportional to 122,362.42, 183,508.11 and 51,283.19 is: 76,909.90
Step by Step Solution
- Step 1: Write the proportion equation
122,362.42 : 183,508.11 = 51,283.19 : x - Step 2: Convert to fraction form
122,362.42/183,508.11 = 51,283.19/x - Step 3: Cross multiply
122,362.42x = 183,508.11 × 51,283.19 - Step 4: Simplify right side
122,362.42x = 9,410,881,730.44 - Step 5: Solve for x
x = 9,410,881,730.44/122,362.42 - Step 6: Final answer
x = 76,909.90
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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.