Finding the Fourth Proportional to 155,736.84, 214,918.84 and 92,074.08
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Solution
The fourth proportional to 155,736.84, 214,918.84 and 92,074.08 is: 127,063.41
Step by Step Solution
- Step 1: Write the proportion equation
155,736.84 : 214,918.84 = 92,074.08 : x - Step 2: Convert to fraction form
155,736.84/214,918.84 = 92,074.08/x - Step 3: Cross multiply
155,736.84x = 214,918.84 × 92,074.08 - Step 4: Simplify right side
155,736.84x = 19,788,454,467.67 - Step 5: Solve for x
x = 19,788,454,467.67/155,736.84 - Step 6: Final answer
x = 127,063.41
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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.