Finding the Fourth Proportional to 214,543.98, 296,128.14 and 133,922.97
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Solution
The fourth proportional to 214,543.98, 296,128.14 and 133,922.97 is: 184,849.56
Step by Step Solution
- Step 1: Write the proportion equation
214,543.98 : 296,128.14 = 133,922.97 : x - Step 2: Convert to fraction form
214,543.98/296,128.14 = 133,922.97/x - Step 3: Cross multiply
214,543.98x = 296,128.14 × 133,922.97 - Step 4: Simplify right side
214,543.98x = 39,658,360,009.38 - Step 5: Solve for x
x = 39,658,360,009.38/214,543.98 - Step 6: Final answer
x = 184,849.56
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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.