Finding the Fourth Proportional to 225,575.84, 311,294.74 and 134,935.62
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Solution
The fourth proportional to 225,575.84, 311,294.74 and 134,935.62 is: 186,211.20
Step by Step Solution
- Step 1: Write the proportion equation
225,575.84 : 311,294.74 = 134,935.62 : x - Step 2: Convert to fraction form
225,575.84/311,294.74 = 134,935.62/x - Step 3: Cross multiply
225,575.84x = 311,294.74 × 134,935.62 - Step 4: Simplify right side
225,575.84x = 42,004,748,744.64 - Step 5: Solve for x
x = 42,004,748,744.64/225,575.84 - Step 6: Final answer
x = 186,211.20
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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.