Finding the Fourth Proportional to 290,619.36, 435,916.98 and 101,123.10
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Solution
The fourth proportional to 290,619.36, 435,916.98 and 101,123.10 is: 151,680.45
Step by Step Solution
- Step 1: Write the proportion equation
290,619.36 : 435,916.98 = 101,123.10 : x - Step 2: Convert to fraction form
290,619.36/435,916.98 = 101,123.10/x - Step 3: Cross multiply
290,619.36x = 435,916.98 × 101,123.10 - Step 4: Simplify right side
290,619.36x = 44,081,276,360.24 - Step 5: Solve for x
x = 44,081,276,360.24/290,619.36 - Step 6: Final answer
x = 151,680.45
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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.