Finding the Fourth Proportional to 212,652.49, 293,502.93 and 122,069.69
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Solution
The fourth proportional to 212,652.49, 293,502.93 and 122,069.69 is: 168,480.57
Step by Step Solution
- Step 1: Write the proportion equation
212,652.49 : 293,502.93 = 122,069.69 : x - Step 2: Convert to fraction form
212,652.49/293,502.93 = 122,069.69/x - Step 3: Cross multiply
212,652.49x = 293,502.93 × 122,069.69 - Step 4: Simplify right side
212,652.49x = 35,827,811,679.19 - Step 5: Solve for x
x = 35,827,811,679.19/212,652.49 - Step 6: Final answer
x = 168,480.57
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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.