Finding the Fourth Proportional to 170,623.24, 235,459.36 and 94,147.09
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Solution
The fourth proportional to 170,623.24, 235,459.36 and 94,147.09 is: 129,922.59
Step by Step Solution
- Step 1: Write the proportion equation
170,623.24 : 235,459.36 = 94,147.09 : x - Step 2: Convert to fraction form
170,623.24/235,459.36 = 94,147.09/x - Step 3: Cross multiply
170,623.24x = 235,459.36 × 94,147.09 - Step 4: Simplify right side
170,623.24x = 22,167,813,557.26 - Step 5: Solve for x
x = 22,167,813,557.26/170,623.24 - Step 6: Final answer
x = 129,922.59
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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.