Finding the Fourth Proportional to 452,449.99, 678,208.42 and 203,306.95
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Solution
The fourth proportional to 452,449.99, 678,208.42 and 203,306.95 is: 304,750.78
Step by Step Solution
- Step 1: Write the proportion equation
452,449.99 : 678,208.42 = 203,306.95 : x - Step 2: Convert to fraction form
452,449.99/678,208.42 = 203,306.95/x - Step 3: Cross multiply
452,449.99x = 678,208.42 × 203,306.95 - Step 4: Simplify right side
452,449.99x = 137,884,485,334.52 - Step 5: Solve for x
x = 137,884,485,334.52/452,449.99 - Step 6: Final answer
x = 304,750.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.