Finding the Fourth Proportional to 122,439.73, 183,730.51 and 51,356.05
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Solution
The fourth proportional to 122,439.73, 183,730.51 and 51,356.05 is: 77,063.82
Step by Step Solution
- Step 1: Write the proportion equation
122,439.73 : 183,730.51 = 51,356.05 : x - Step 2: Convert to fraction form
122,439.73/183,730.51 = 51,356.05/x - Step 3: Cross multiply
122,439.73x = 183,730.51 × 51,356.05 - Step 4: Simplify right side
122,439.73x = 9,435,673,258.09 - Step 5: Solve for x
x = 9,435,673,258.09/122,439.73 - Step 6: Final answer
x = 77,063.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.