Finding the Fourth Proportional to 268,099.24, 370,009.76 and 154,921.99
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Solution
The fourth proportional to 268,099.24, 370,009.76 and 154,921.99 is: 213,811.31
Step by Step Solution
- Step 1: Write the proportion equation
268,099.24 : 370,009.76 = 154,921.99 : x - Step 2: Convert to fraction form
268,099.24/370,009.76 = 154,921.99/x - Step 3: Cross multiply
268,099.24x = 370,009.76 × 154,921.99 - Step 4: Simplify right side
268,099.24x = 57,322,649,026.99 - Step 5: Solve for x
x = 57,322,649,026.99/268,099.24 - Step 6: Final answer
x = 213,811.31
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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.