Finding the Fourth Proportional to 228,564.99, 315,409.14 and 126,583.56
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Solution
The fourth proportional to 228,564.99, 315,409.14 and 126,583.56 is: 174,679.47
Step by Step Solution
- Step 1: Write the proportion equation
228,564.99 : 315,409.14 = 126,583.56 : x - Step 2: Convert to fraction form
228,564.99/315,409.14 = 126,583.56/x - Step 3: Cross multiply
228,564.99x = 315,409.14 × 126,583.56 - Step 4: Simplify right side
228,564.99x = 39,925,611,797.74 - Step 5: Solve for x
x = 39,925,611,797.74/228,564.99 - Step 6: Final answer
x = 174,679.47
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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.