Finding the Fourth Proportional to 270,915.18, 406,410.87 and 113,107.74
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Solution
The fourth proportional to 270,915.18, 406,410.87 and 113,107.74 is: 169,677.52
Step by Step Solution
- Step 1: Write the proportion equation
270,915.18 : 406,410.87 = 113,107.74 : x - Step 2: Convert to fraction form
270,915.18/406,410.87 = 113,107.74/x - Step 3: Cross multiply
270,915.18x = 406,410.87 × 113,107.74 - Step 4: Simplify right side
270,915.18x = 45,968,215,017.13 - Step 5: Solve for x
x = 45,968,215,017.13/270,915.18 - Step 6: Final answer
x = 169,677.52
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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.