Finding the Fourth Proportional to 372,382.74, 558,661.59 and 106,147.08
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Solution
The fourth proportional to 372,382.74, 558,661.59 and 106,147.08 is: 159,245.56
Step by Step Solution
- Step 1: Write the proportion equation
372,382.74 : 558,661.59 = 106,147.08 : x - Step 2: Convert to fraction form
372,382.74/558,661.59 = 106,147.08/x - Step 3: Cross multiply
372,382.74x = 558,661.59 × 106,147.08 - Step 4: Simplify right side
372,382.74x = 59,300,296,486.66 - Step 5: Solve for x
x = 59,300,296,486.66/372,382.74 - Step 6: Final answer
x = 159,245.56
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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.