Finding the Fourth Proportional to 276,824.39, 415,236.61 and 158,412.00
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Solution
The fourth proportional to 276,824.39, 415,236.61 and 158,412.00 is: 237,618.02
Step by Step Solution
- Step 1: Write the proportion equation
276,824.39 : 415,236.61 = 158,412.00 : x - Step 2: Convert to fraction form
276,824.39/415,236.61 = 158,412.00/x - Step 3: Cross multiply
276,824.39x = 415,236.61 × 158,412.00 - Step 4: Simplify right side
276,824.39x = 65,778,463,618.47 - Step 5: Solve for x
x = 65,778,463,618.47/276,824.39 - Step 6: Final answer
x = 237,618.02
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1.5x scale
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.