Finding the Fourth Proportional to 319,720.92, 441,212.74 and 174,526.12
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Solution
The fourth proportional to 319,720.92, 441,212.74 and 174,526.12 is: 240,844.88
Step by Step Solution
- Step 1: Write the proportion equation
319,720.92 : 441,212.74 = 174,526.12 : x - Step 2: Convert to fraction form
319,720.92/441,212.74 = 174,526.12/x - Step 3: Cross multiply
319,720.92x = 441,212.74 × 174,526.12 - Step 4: Simplify right side
319,720.92x = 77,003,147,606.77 - Step 5: Solve for x
x = 77,003,147,606.77/319,720.92 - Step 6: Final answer
x = 240,844.88
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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.