Finding the Fourth Proportional to 214,766.02, 296,405.49 and 129,866.68
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Solution
The fourth proportional to 214,766.02, 296,405.49 and 129,866.68 is: 179,233.18
Step by Step Solution
- Step 1: Write the proportion equation
214,766.02 : 296,405.49 = 129,866.68 : x - Step 2: Convert to fraction form
214,766.02/296,405.49 = 129,866.68/x - Step 3: Cross multiply
214,766.02x = 296,405.49 × 129,866.68 - Step 4: Simplify right side
214,766.02x = 38,493,196,920.07 - Step 5: Solve for x
x = 38,493,196,920.07/214,766.02 - Step 6: Final answer
x = 179,233.18
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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.