Finding the Fourth Proportional to 292,471.98, 403,638.57 and 177,724.14
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Solution
The fourth proportional to 292,471.98, 403,638.57 and 177,724.14 is: 245,275.86
Step by Step Solution
- Step 1: Write the proportion equation
292,471.98 : 403,638.57 = 177,724.14 : x - Step 2: Convert to fraction form
292,471.98/403,638.57 = 177,724.14/x - Step 3: Cross multiply
292,471.98x = 403,638.57 × 177,724.14 - Step 4: Simplify right side
292,471.98x = 71,736,317,724.08 - Step 5: Solve for x
x = 71,736,317,724.08/292,471.98 - Step 6: Final answer
x = 245,275.86
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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.