Finding the Fourth Proportional to 238,759.32, 329,482.48 and 131,326.99
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Solution
The fourth proportional to 238,759.32, 329,482.48 and 131,326.99 is: 181,228.29
Step by Step Solution
- Step 1: Write the proportion equation
238,759.32 : 329,482.48 = 131,326.99 : x - Step 2: Convert to fraction form
238,759.32/329,482.48 = 131,326.99/x - Step 3: Cross multiply
238,759.32x = 329,482.48 × 131,326.99 - Step 4: Simplify right side
238,759.32x = 43,269,942,356.14 - Step 5: Solve for x
x = 43,269,942,356.14/238,759.32 - Step 6: Final answer
x = 181,228.29
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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.