Finding the Fourth Proportional to 248,909.16, 372,838.77 and 168,996.18
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Solution
The fourth proportional to 248,909.16, 372,838.77 and 168,996.18 is: 253,137.84
Step by Step Solution
- Step 1: Write the proportion equation
248,909.16 : 372,838.77 = 168,996.18 : x - Step 2: Convert to fraction form
248,909.16/372,838.77 = 168,996.18/x - Step 3: Cross multiply
248,909.16x = 372,838.77 × 168,996.18 - Step 4: Simplify right side
248,909.16x = 63,008,327,885.90 - Step 5: Solve for x
x = 63,008,327,885.90/248,909.16 - Step 6: Final answer
x = 253,137.84
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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.