Finding the Fourth Proportional to 239,931.36, 331,110.45 and 132,508.26
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Solution
The fourth proportional to 239,931.36, 331,110.45 and 132,508.26 is: 182,864.26
Step by Step Solution
- Step 1: Write the proportion equation
239,931.36 : 331,110.45 = 132,508.26 : x - Step 2: Convert to fraction form
239,931.36/331,110.45 = 132,508.26/x - Step 3: Cross multiply
239,931.36x = 331,110.45 × 132,508.26 - Step 4: Simplify right side
239,931.36x = 43,874,869,597.32 - Step 5: Solve for x
x = 43,874,869,597.32/239,931.36 - Step 6: Final answer
x = 182,864.26
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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.