Finding the Fourth Proportional to 292,122.72, 403,187.04 and 164,800.80
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Solution
The fourth proportional to 292,122.72, 403,187.04 and 164,800.80 is: 227,457.65
Step by Step Solution
- Step 1: Write the proportion equation
292,122.72 : 403,187.04 = 164,800.80 : x - Step 2: Convert to fraction form
292,122.72/403,187.04 = 164,800.80/x - Step 3: Cross multiply
292,122.72x = 403,187.04 × 164,800.80 - Step 4: Simplify right side
292,122.72x = 66,445,546,741.63 - Step 5: Solve for x
x = 66,445,546,741.63/292,122.72 - Step 6: Final answer
x = 227,457.65
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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.