Finding the Fourth Proportional to 79,888.36, 119,832.58 and 27,298.36
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Solution
The fourth proportional to 79,888.36, 119,832.58 and 27,298.36 is: 40,947.55
Step by Step Solution
- Step 1: Write the proportion equation
79,888.36 : 119,832.58 = 27,298.36 : x - Step 2: Convert to fraction form
79,888.36/119,832.58 = 27,298.36/x - Step 3: Cross multiply
79,888.36x = 119,832.58 × 27,298.36 - Step 4: Simplify right side
79,888.36x = 3,271,232,908.57 - Step 5: Solve for x
x = 3,271,232,908.57/79,888.36 - Step 6: Final answer
x = 40,947.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.