Finding the Fourth Proportional to 214,771.93, 296,408.76 and 122,899.70
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Solution
The fourth proportional to 214,771.93, 296,408.76 and 122,899.70 is: 169,615.03
Step by Step Solution
- Step 1: Write the proportion equation
214,771.93 : 296,408.76 = 122,899.70 : x - Step 2: Convert to fraction form
214,771.93/296,408.76 = 122,899.70/x - Step 3: Cross multiply
214,771.93x = 296,408.76 × 122,899.70 - Step 4: Simplify right side
214,771.93x = 36,428,547,681.37 - Step 5: Solve for x
x = 36,428,547,681.37/214,771.93 - Step 6: Final answer
x = 169,615.03
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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.