Finding the Fourth Proportional to 170,663.09, 235,246.88 and 116,855.06
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Solution
The fourth proportional to 170,663.09, 235,246.88 and 116,855.06 is: 161,076.35
Step by Step Solution
- Step 1: Write the proportion equation
170,663.09 : 235,246.88 = 116,855.06 : x - Step 2: Convert to fraction form
170,663.09/235,246.88 = 116,855.06/x - Step 3: Cross multiply
170,663.09x = 235,246.88 × 116,855.06 - Step 4: Simplify right side
170,663.09x = 27,489,787,393.12 - Step 5: Solve for x
x = 27,489,787,393.12/170,663.09 - Step 6: Final answer
x = 161,076.35
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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.