Finding the Fourth Proportional to 201,528.32, 302,331.36 and 112,881.92
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Solution
The fourth proportional to 201,528.32, 302,331.36 and 112,881.92 is: 169,344.66
Step by Step Solution
- Step 1: Write the proportion equation
201,528.32 : 302,331.36 = 112,881.92 : x - Step 2: Convert to fraction form
201,528.32/302,331.36 = 112,881.92/x - Step 3: Cross multiply
201,528.32x = 302,331.36 × 112,881.92 - Step 4: Simplify right side
201,528.32x = 34,127,744,393.01 - Step 5: Solve for x
x = 34,127,744,393.01/201,528.32 - Step 6: Final answer
x = 169,344.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.