Finding the Fourth Proportional to 292,149.09, 403,164.05 and 163,080.09
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Solution
The fourth proportional to 292,149.09, 403,164.05 and 163,080.09 is: 225,049.58
Step by Step Solution
- Step 1: Write the proportion equation
292,149.09 : 403,164.05 = 163,080.09 : x - Step 2: Convert to fraction form
292,149.09/403,164.05 = 163,080.09/x - Step 3: Cross multiply
292,149.09x = 403,164.05 × 163,080.09 - Step 4: Simplify right side
292,149.09x = 65,748,028,743.36 - Step 5: Solve for x
x = 65,748,028,743.36/292,149.09 - Step 6: Final answer
x = 225,049.58
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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.