Finding the Fourth Proportional to 163,975.29, 245,962.98 and 126,589.94
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Solution
The fourth proportional to 163,975.29, 245,962.98 and 126,589.94 is: 189,884.95
Step by Step Solution
- Step 1: Write the proportion equation
163,975.29 : 245,962.98 = 126,589.94 : x - Step 2: Convert to fraction form
163,975.29/245,962.98 = 126,589.94/x - Step 3: Cross multiply
163,975.29x = 245,962.98 × 126,589.94 - Step 4: Simplify right side
163,975.29x = 31,136,438,572.97 - Step 5: Solve for x
x = 31,136,438,572.97/163,975.29 - Step 6: Final answer
x = 189,884.95
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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.