Finding the Fourth Proportional to 178,157.87, 245,863.84 and 97,589.93
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Solution
The fourth proportional to 178,157.87, 245,863.84 and 97,589.93 is: 134,677.38
Step by Step Solution
- Step 1: Write the proportion equation
178,157.87 : 245,863.84 = 97,589.93 : x - Step 2: Convert to fraction form
178,157.87/245,863.84 = 97,589.93/x - Step 3: Cross multiply
178,157.87x = 245,863.84 × 97,589.93 - Step 4: Simplify right side
178,157.87x = 23,993,834,935.13 - Step 5: Solve for x
x = 23,993,834,935.13/178,157.87 - Step 6: Final answer
x = 134,677.38
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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.