Finding the Fourth Proportional to 268,612.98, 370,678.16 and 147,754.26
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Solution
The fourth proportional to 268,612.98, 370,678.16 and 147,754.26 is: 203,896.61
Step by Step Solution
- Step 1: Write the proportion equation
268,612.98 : 370,678.16 = 147,754.26 : x - Step 2: Convert to fraction form
268,612.98/370,678.16 = 147,754.26/x - Step 3: Cross multiply
268,612.98x = 370,678.16 × 147,754.26 - Step 4: Simplify right side
268,612.98x = 54,769,277,228.96 - Step 5: Solve for x
x = 54,769,277,228.96/268,612.98 - Step 6: Final answer
x = 203,896.61
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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.