Finding the Fourth Proportional to 253,387.26, 349,683.75 and 163,963.26
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Solution
The fourth proportional to 253,387.26, 349,683.75 and 163,963.26 is: 226,275.34
Step by Step Solution
- Step 1: Write the proportion equation
253,387.26 : 349,683.75 = 163,963.26 : x - Step 2: Convert to fraction form
253,387.26/349,683.75 = 163,963.26/x - Step 3: Cross multiply
253,387.26x = 349,683.75 × 163,963.26 - Step 4: Simplify right side
253,387.26x = 57,335,287,619.03 - Step 5: Solve for x
x = 57,335,287,619.03/253,387.26 - Step 6: Final answer
x = 226,275.34
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1.5x scale
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.