Finding the Fourth Proportional to 216,837.96, 299,236.37 and 121,363.08
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Solution
The fourth proportional to 216,837.96, 299,236.37 and 121,363.08 is: 167,481.04
Step by Step Solution
- Step 1: Write the proportion equation
216,837.96 : 299,236.37 = 121,363.08 : x - Step 2: Convert to fraction form
216,837.96/299,236.37 = 121,363.08/x - Step 3: Cross multiply
216,837.96x = 299,236.37 × 121,363.08 - Step 4: Simplify right side
216,837.96x = 36,316,246,904.40 - Step 5: Solve for x
x = 36,316,246,904.40/216,837.96 - Step 6: Final answer
x = 167,481.04
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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.