Finding the Fourth Proportional to 193,533.57, 290,318.99 and 75,214.17
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Solution
The fourth proportional to 193,533.57, 290,318.99 and 75,214.17 is: 112,828.50
Step by Step Solution
- Step 1: Write the proportion equation
193,533.57 : 290,318.99 = 75,214.17 : x - Step 2: Convert to fraction form
193,533.57/290,318.99 = 75,214.17/x - Step 3: Cross multiply
193,533.57x = 290,318.99 × 75,214.17 - Step 4: Simplify right side
193,533.57x = 21,836,101,492.02 - Step 5: Solve for x
x = 21,836,101,492.02/193,533.57 - Step 6: Final answer
x = 112,828.50
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1.5x scale
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.