Finding the Fourth Proportional to 292,749.86, 403,995.47 and 163,693.00
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Solution
The fourth proportional to 292,749.86, 403,995.47 and 163,693.00 is: 225,896.71
Step by Step Solution
- Step 1: Write the proportion equation
292,749.86 : 403,995.47 = 163,693.00 : x - Step 2: Convert to fraction form
292,749.86/403,995.47 = 163,693.00/x - Step 3: Cross multiply
292,749.86x = 403,995.47 × 163,693.00 - Step 4: Simplify right side
292,749.86x = 66,131,230,157.24 - Step 5: Solve for x
x = 66,131,230,157.24/292,749.86 - Step 6: Final answer
x = 225,896.71
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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.