Finding the Fourth Proportional to 214,929.09, 296,603.48 and 134,403.75
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Solution
The fourth proportional to 214,929.09, 296,603.48 and 134,403.75 is: 185,478.01
Step by Step Solution
- Step 1: Write the proportion equation
214,929.09 : 296,603.48 = 134,403.75 : x - Step 2: Convert to fraction form
214,929.09/296,603.48 = 134,403.75/x - Step 3: Cross multiply
214,929.09x = 296,603.48 × 134,403.75 - Step 4: Simplify right side
214,929.09x = 39,864,619,975.05 - Step 5: Solve for x
x = 39,864,619,975.05/214,929.09 - Step 6: Final answer
x = 185,478.01
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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.