Finding the Fourth Proportional to 268,536.06, 370,589.28 and 147,686.70
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Solution
The fourth proportional to 268,536.06, 370,589.28 and 147,686.70 is: 203,812.88
Step by Step Solution
- Step 1: Write the proportion equation
268,536.06 : 370,589.28 = 147,686.70 : x - Step 2: Convert to fraction form
268,536.06/370,589.28 = 147,686.70/x - Step 3: Cross multiply
268,536.06x = 370,589.28 × 147,686.70 - Step 4: Simplify right side
268,536.06x = 54,731,107,818.58 - Step 5: Solve for x
x = 54,731,107,818.58/268,536.06 - Step 6: Final answer
x = 203,812.88
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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.