Finding the Fourth Proportional to 205,711.18, 308,455.81 and 93,330.07
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Solution
The fourth proportional to 205,711.18, 308,455.81 and 93,330.07 is: 139,944.76
Step by Step Solution
- Step 1: Write the proportion equation
205,711.18 : 308,455.81 = 93,330.07 : x - Step 2: Convert to fraction form
205,711.18/308,455.81 = 93,330.07/x - Step 3: Cross multiply
205,711.18x = 308,455.81 × 93,330.07 - Step 4: Simplify right side
205,711.18x = 28,788,202,339.21 - Step 5: Solve for x
x = 28,788,202,339.21/205,711.18 - Step 6: Final answer
x = 139,944.76
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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.