Finding the Fourth Proportional to 268,548.18, 370,589.08 and 147,689.45
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Solution
The fourth proportional to 268,548.18, 370,589.08 and 147,689.45 is: 203,807.37
Step by Step Solution
- Step 1: Write the proportion equation
268,548.18 : 370,589.08 = 147,689.45 : x - Step 2: Convert to fraction form
268,548.18/370,589.08 = 147,689.45/x - Step 3: Cross multiply
268,548.18x = 370,589.08 × 147,689.45 - Step 4: Simplify right side
268,548.18x = 54,732,097,401.21 - Step 5: Solve for x
x = 54,732,097,401.21/268,548.18 - Step 6: Final answer
x = 203,807.37
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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.