Finding the Fourth Proportional to 268,629.59, 370,709.68 and 147,780.06
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Solution
The fourth proportional to 268,629.59, 370,709.68 and 147,780.06 is: 203,936.95
Step by Step Solution
- Step 1: Write the proportion equation
268,629.59 : 370,709.68 = 147,780.06 : x - Step 2: Convert to fraction form
268,629.59/370,709.68 = 147,780.06/x - Step 3: Cross multiply
268,629.59x = 370,709.68 × 147,780.06 - Step 4: Simplify right side
268,629.59x = 54,783,498,752.98 - Step 5: Solve for x
x = 54,783,498,752.98/268,629.59 - Step 6: Final answer
x = 203,936.95
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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.