Finding the Fourth Proportional to 292,133.28, 403,137.12 and 164,805.60
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Solution
The fourth proportional to 292,133.28, 403,137.12 and 164,805.60 is: 227,427.89
Step by Step Solution
- Step 1: Write the proportion equation
292,133.28 : 403,137.12 = 164,805.60 : x - Step 2: Convert to fraction form
292,133.28/403,137.12 = 164,805.60/x - Step 3: Cross multiply
292,133.28x = 403,137.12 × 164,805.60 - Step 4: Simplify right side
292,133.28x = 66,439,254,943.87 - Step 5: Solve for x
x = 66,439,254,943.87/292,133.28 - Step 6: Final answer
x = 227,427.89
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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.