Finding the Fourth Proportional to 176,242.14, 243,133.59 and 122,654.94
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Solution
The fourth proportional to 176,242.14, 243,133.59 and 122,654.94 is: 169,207.75
Step by Step Solution
- Step 1: Write the proportion equation
176,242.14 : 243,133.59 = 122,654.94 : x - Step 2: Convert to fraction form
176,242.14/243,133.59 = 122,654.94/x - Step 3: Cross multiply
176,242.14x = 243,133.59 × 122,654.94 - Step 4: Simplify right side
176,242.14x = 29,821,535,893.43 - Step 5: Solve for x
x = 29,821,535,893.43/176,242.14 - Step 6: Final answer
x = 169,207.75
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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.