Finding the Fourth Proportional to 304,811.18, 457,049.73 and 94,390.70
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Solution
The fourth proportional to 304,811.18, 457,049.73 and 94,390.70 is: 141,534.32
Step by Step Solution
- Step 1: Write the proportion equation
304,811.18 : 457,049.73 = 94,390.70 : x - Step 2: Convert to fraction form
304,811.18/457,049.73 = 94,390.70/x - Step 3: Cross multiply
304,811.18x = 457,049.73 × 94,390.70 - Step 4: Simplify right side
304,811.18x = 43,141,243,949.51 - Step 5: Solve for x
x = 43,141,243,949.51/304,811.18 - Step 6: Final answer
x = 141,534.32
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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.