Finding the Fourth Proportional to 490,824.36, 677,328.61 and 273,031.96
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Solution
The fourth proportional to 490,824.36, 677,328.61 and 273,031.96 is: 376,779.09
Step by Step Solution
- Step 1: Write the proportion equation
490,824.36 : 677,328.61 = 273,031.96 : x - Step 2: Convert to fraction form
490,824.36/677,328.61 = 273,031.96/x - Step 3: Cross multiply
490,824.36x = 677,328.61 × 273,031.96 - Step 4: Simplify right side
490,824.36x = 184,932,357,952.38 - Step 5: Solve for x
x = 184,932,357,952.38/490,824.36 - Step 6: Final answer
x = 376,779.09
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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.