Finding the Fourth Proportional to 306,917.84, 423,558.12 and 169,102.44
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Solution
The fourth proportional to 306,917.84, 423,558.12 and 169,102.44 is: 233,367.70
Step by Step Solution
- Step 1: Write the proportion equation
306,917.84 : 423,558.12 = 169,102.44 : x - Step 2: Convert to fraction form
306,917.84/423,558.12 = 169,102.44/x - Step 3: Cross multiply
306,917.84x = 423,558.12 × 169,102.44 - Step 4: Simplify right side
306,917.84x = 71,624,711,573.81 - Step 5: Solve for x
x = 71,624,711,573.81/306,917.84 - Step 6: Final answer
x = 233,367.70
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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.