Finding the Fourth Proportional to 129,224.74, 193,811.56 and 122,816.40
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Solution
The fourth proportional to 129,224.74, 193,811.56 and 122,816.40 is: 184,200.32
Step by Step Solution
- Step 1: Write the proportion equation
129,224.74 : 193,811.56 = 122,816.40 : x - Step 2: Convert to fraction form
129,224.74/193,811.56 = 122,816.40/x - Step 3: Cross multiply
129,224.74x = 193,811.56 × 122,816.40 - Step 4: Simplify right side
129,224.74x = 23,803,238,479.36 - Step 5: Solve for x
x = 23,803,238,479.36/129,224.74 - Step 6: Final answer
x = 184,200.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.