Finding the Fourth Proportional to 223,204.17, 308,025.44 and 121,229.70
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Solution
The fourth proportional to 223,204.17, 308,025.44 and 121,229.70 is: 167,298.99
Step by Step Solution
- Step 1: Write the proportion equation
223,204.17 : 308,025.44 = 121,229.70 : x - Step 2: Convert to fraction form
223,204.17/308,025.44 = 121,229.70/x - Step 3: Cross multiply
223,204.17x = 308,025.44 × 121,229.70 - Step 4: Simplify right side
223,204.17x = 37,341,831,683.57 - Step 5: Solve for x
x = 37,341,831,683.57/223,204.17 - Step 6: Final answer
x = 167,298.99
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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.