Finding the Fourth Proportional to 268,512.14, 370,534.06 and 147,658.52
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Solution
The fourth proportional to 268,512.14, 370,534.06 and 147,658.52 is: 203,761.78
Step by Step Solution
- Step 1: Write the proportion equation
268,512.14 : 370,534.06 = 147,658.52 : x - Step 2: Convert to fraction form
268,512.14/370,534.06 = 147,658.52/x - Step 3: Cross multiply
268,512.14x = 370,534.06 × 147,658.52 - Step 4: Simplify right side
268,512.14x = 54,712,510,909.19 - Step 5: Solve for x
x = 54,712,510,909.19/268,512.14 - Step 6: Final answer
x = 203,761.78
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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.