Finding the Fourth Proportional to 298,283.58, 411,639.99 and 162,326.29
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Solution
The fourth proportional to 298,283.58, 411,639.99 and 162,326.29 is: 224,014.99
Step by Step Solution
- Step 1: Write the proportion equation
298,283.58 : 411,639.99 = 162,326.29 : x - Step 2: Convert to fraction form
298,283.58/411,639.99 = 162,326.29/x - Step 3: Cross multiply
298,283.58x = 411,639.99 × 162,326.29 - Step 4: Simplify right side
298,283.58x = 66,819,992,333.48 - Step 5: Solve for x
x = 66,819,992,333.48/298,283.58 - Step 6: Final answer
x = 224,014.99
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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.