Finding the Fourth Proportional to 403,183.92, 556,393.68 and 233,414.40
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Solution
The fourth proportional to 403,183.92, 556,393.68 and 233,414.40 is: 322,111.80
Step by Step Solution
- Step 1: Write the proportion equation
403,183.92 : 556,393.68 = 233,414.40 : x - Step 2: Convert to fraction form
403,183.92/556,393.68 = 233,414.40/x - Step 3: Cross multiply
403,183.92x = 556,393.68 × 233,414.40 - Step 4: Simplify right side
403,183.92x = 129,870,296,980.99 - Step 5: Solve for x
x = 129,870,296,980.99/403,183.92 - Step 6: Final answer
x = 322,111.80
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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.