Finding the Fourth Proportional to 268,752.97, 370,869.80 and 147,882.95
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Solution
The fourth proportional to 268,752.97, 370,869.80 and 147,882.95 is: 204,073.35
Step by Step Solution
- Step 1: Write the proportion equation
268,752.97 : 370,869.80 = 147,882.95 : x - Step 2: Convert to fraction form
268,752.97/370,869.80 = 147,882.95/x - Step 3: Cross multiply
268,752.97x = 370,869.80 × 147,882.95 - Step 4: Simplify right side
268,752.97x = 54,845,317,496.15 - Step 5: Solve for x
x = 54,845,317,496.15/268,752.97 - Step 6: Final answer
x = 204,073.35
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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.