Finding the Fourth Proportional to 325,981.05, 488,384.99 and 306,752.05
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Solution
The fourth proportional to 325,981.05, 488,384.99 and 306,752.05 is: 459,576.09
Step by Step Solution
- Step 1: Write the proportion equation
325,981.05 : 488,384.99 = 306,752.05 : x - Step 2: Convert to fraction form
325,981.05/488,384.99 = 306,752.05/x - Step 3: Cross multiply
325,981.05x = 488,384.99 × 306,752.05 - Step 4: Simplify right side
325,981.05x = 149,813,096,871.73 - Step 5: Solve for x
x = 149,813,096,871.73/325,981.05 - Step 6: Final answer
x = 459,576.09
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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.