Finding the Fourth Proportional to 214,928.09, 296,602.10 and 134,402.75
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Solution
The fourth proportional to 214,928.09, 296,602.10 and 134,402.75 is: 185,476.63
Step by Step Solution
- Step 1: Write the proportion equation
214,928.09 : 296,602.10 = 134,402.75 : x - Step 2: Convert to fraction form
214,928.09/296,602.10 = 134,402.75/x - Step 3: Cross multiply
214,928.09x = 296,602.10 × 134,402.75 - Step 4: Simplify right side
214,928.09x = 39,864,137,895.78 - Step 5: Solve for x
x = 39,864,137,895.78/214,928.09 - Step 6: Final answer
x = 185,476.63
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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.