Finding the Fourth Proportional to 268,679.45, 370,777.62 and 147,818.14
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Solution
The fourth proportional to 268,679.45, 370,777.62 and 147,818.14 is: 203,989.02
Step by Step Solution
- Step 1: Write the proportion equation
268,679.45 : 370,777.62 = 147,818.14 : x - Step 2: Convert to fraction form
268,679.45/370,777.62 = 147,818.14/x - Step 3: Cross multiply
268,679.45x = 370,777.62 × 147,818.14 - Step 4: Simplify right side
268,679.45x = 54,807,655,549.05 - Step 5: Solve for x
x = 54,807,655,549.05/268,679.45 - Step 6: Final answer
x = 203,989.02
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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.