Finding the Fourth Proportional to 268,470.74, 370,490.57 and 147,619.63
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Solution
The fourth proportional to 268,470.74, 370,490.57 and 147,619.63 is: 203,715.60
Step by Step Solution
- Step 1: Write the proportion equation
268,470.74 : 370,490.57 = 147,619.63 : x - Step 2: Convert to fraction form
268,470.74/370,490.57 = 147,619.63/x - Step 3: Cross multiply
268,470.74x = 370,490.57 × 147,619.63 - Step 4: Simplify right side
268,470.74x = 54,691,679,009.44 - Step 5: Solve for x
x = 54,691,679,009.44/268,470.74 - Step 6: Final answer
x = 203,715.60
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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.