Finding the Fourth Proportional to 238,677.09, 329,351.85 and 141,873.18
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Solution
The fourth proportional to 238,677.09, 329,351.85 and 141,873.18 is: 195,771.59
Step by Step Solution
- Step 1: Write the proportion equation
238,677.09 : 329,351.85 = 141,873.18 : x - Step 2: Convert to fraction form
238,677.09/329,351.85 = 141,873.18/x - Step 3: Cross multiply
238,677.09x = 329,351.85 × 141,873.18 - Step 4: Simplify right side
238,677.09x = 46,726,194,298.38 - Step 5: Solve for x
x = 46,726,194,298.38/238,677.09 - Step 6: Final answer
x = 195,771.59
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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.