Finding the Fourth Proportional to 147,957.36, 204,150.96 and 84,278.40
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Solution
The fourth proportional to 147,957.36, 204,150.96 and 84,278.40 is: 116,286.99
Step by Step Solution
- Step 1: Write the proportion equation
147,957.36 : 204,150.96 = 84,278.40 : x - Step 2: Convert to fraction form
147,957.36/204,150.96 = 84,278.40/x - Step 3: Cross multiply
147,957.36x = 204,150.96 × 84,278.40 - Step 4: Simplify right side
147,957.36x = 17,205,516,267.26 - Step 5: Solve for x
x = 17,205,516,267.26/147,957.36 - Step 6: Final answer
x = 116,286.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.