Finding the Fourth Proportional to 238,637.99, 329,311.99 and 131,207.18
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Solution
The fourth proportional to 238,637.99, 329,311.99 and 131,207.18 is: 181,061.27
Step by Step Solution
- Step 1: Write the proportion equation
238,637.99 : 329,311.99 = 131,207.18 : x - Step 2: Convert to fraction form
238,637.99/329,311.99 = 131,207.18/x - Step 3: Cross multiply
238,637.99x = 329,311.99 × 131,207.18 - Step 4: Simplify right side
238,637.99x = 43,208,097,548.09 - Step 5: Solve for x
x = 43,208,097,548.09/238,637.99 - Step 6: Final answer
x = 181,061.27
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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.