Finding the Fourth Proportional to 268,133.99, 370,027.91 and 147,278.07
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Solution
The fourth proportional to 268,133.99, 370,027.91 and 147,278.07 is: 203,245.39
Step by Step Solution
- Step 1: Write the proportion equation
268,133.99 : 370,027.91 = 147,278.07 : x - Step 2: Convert to fraction form
268,133.99/370,027.91 = 147,278.07/x - Step 3: Cross multiply
268,133.99x = 370,027.91 × 147,278.07 - Step 4: Simplify right side
268,133.99x = 54,496,996,799.13 - Step 5: Solve for x
x = 54,496,996,799.13/268,133.99 - Step 6: Final answer
x = 203,245.39
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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.