Finding the Fourth Proportional to 302,111.19, 416,905.05 and 166,145.09
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Solution
The fourth proportional to 302,111.19, 416,905.05 and 166,145.09 is: 229,275.60
Step by Step Solution
- Step 1: Write the proportion equation
302,111.19 : 416,905.05 = 166,145.09 : x - Step 2: Convert to fraction form
302,111.19/416,905.05 = 166,145.09/x - Step 3: Cross multiply
302,111.19x = 416,905.05 × 166,145.09 - Step 4: Simplify right side
302,111.19x = 69,266,724,969.18 - Step 5: Solve for x
x = 69,266,724,969.18/302,111.19 - Step 6: Final answer
x = 229,275.60
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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.