Finding the Fourth Proportional to 214,409.76, 295,947.36 and 129,533.28
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Solution
The fourth proportional to 214,409.76, 295,947.36 and 129,533.28 is: 178,793.32
Step by Step Solution
- Step 1: Write the proportion equation
214,409.76 : 295,947.36 = 129,533.28 : x - Step 2: Convert to fraction form
214,409.76/295,947.36 = 129,533.28/x - Step 3: Cross multiply
214,409.76x = 295,947.36 × 129,533.28 - Step 4: Simplify right side
214,409.76x = 38,335,032,248.14 - Step 5: Solve for x
x = 38,335,032,248.14/214,409.76 - Step 6: Final answer
x = 178,793.32
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1.5x scale
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.