Finding the Fourth Proportional to 291,047.96, 401,579.70 and 163,677.08
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Solution
The fourth proportional to 291,047.96, 401,579.70 and 163,677.08 is: 225,836.98
Step by Step Solution
- Step 1: Write the proportion equation
291,047.96 : 401,579.70 = 163,677.08 : x - Step 2: Convert to fraction form
291,047.96/401,579.70 = 163,677.08/x - Step 3: Cross multiply
291,047.96x = 401,579.70 × 163,677.08 - Step 4: Simplify right side
291,047.96x = 65,729,392,683.28 - Step 5: Solve for x
x = 65,729,392,683.28/291,047.96 - Step 6: Final answer
x = 225,836.98
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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.