Finding the Fourth Proportional to 213,901.84, 295,171.86 and 118,402.84
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Solution
The fourth proportional to 213,901.84, 295,171.86 and 118,402.84 is: 163,388.90
Step by Step Solution
- Step 1: Write the proportion equation
213,901.84 : 295,171.86 = 118,402.84 : x - Step 2: Convert to fraction form
213,901.84/295,171.86 = 118,402.84/x - Step 3: Cross multiply
213,901.84x = 295,171.86 × 118,402.84 - Step 4: Simplify right side
213,901.84x = 34,949,186,512.08 - Step 5: Solve for x
x = 34,949,186,512.08/213,901.84 - Step 6: Final answer
x = 163,388.90
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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.