Finding the Fourth Proportional to 256,154.55, 384,250.38 and 98,382.99
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Solution
The fourth proportional to 256,154.55, 384,250.38 and 98,382.99 is: 147,581.61
Step by Step Solution
- Step 1: Write the proportion equation
256,154.55 : 384,250.38 = 98,382.99 : x - Step 2: Convert to fraction form
256,154.55/384,250.38 = 98,382.99/x - Step 3: Cross multiply
256,154.55x = 384,250.38 × 98,382.99 - Step 4: Simplify right side
256,154.55x = 37,803,701,293.04 - Step 5: Solve for x
x = 37,803,701,293.04/256,154.55 - Step 6: Final answer
x = 147,581.61
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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.