Finding the Fourth Proportional to 372,110.16, 558,160.44 and 91,629.84
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Solution
The fourth proportional to 372,110.16, 558,160.44 and 91,629.84 is: 137,443.58
Step by Step Solution
- Step 1: Write the proportion equation
372,110.16 : 558,160.44 = 91,629.84 : x - Step 2: Convert to fraction form
372,110.16/558,160.44 = 91,629.84/x - Step 3: Cross multiply
372,110.16x = 558,160.44 × 91,629.84 - Step 4: Simplify right side
372,110.16x = 51,144,151,811.53 - Step 5: Solve for x
x = 51,144,151,811.53/372,110.16 - Step 6: Final answer
x = 137,443.58
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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.