Finding the Fourth Proportional to 198,602.88, 274,041.48 and 118,000.68
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Solution
The fourth proportional to 198,602.88, 274,041.48 and 118,000.68 is: 162,822.82
Step by Step Solution
- Step 1: Write the proportion equation
198,602.88 : 274,041.48 = 118,000.68 : x - Step 2: Convert to fraction form
198,602.88/274,041.48 = 118,000.68/x - Step 3: Cross multiply
198,602.88x = 274,041.48 × 118,000.68 - Step 4: Simplify right side
198,602.88x = 32,337,080,988.21 - Step 5: Solve for x
x = 32,337,080,988.21/198,602.88 - Step 6: Final answer
x = 162,822.82
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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.