Finding the Fourth Proportional to 304,713.36, 457,364.88 and 147,052.80
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Solution
The fourth proportional to 304,713.36, 457,364.88 and 147,052.80 is: 220,721.49
Step by Step Solution
- Step 1: Write the proportion equation
304,713.36 : 457,364.88 = 147,052.80 : x - Step 2: Convert to fraction form
304,713.36/457,364.88 = 147,052.80/x - Step 3: Cross multiply
304,713.36x = 457,364.88 × 147,052.80 - Step 4: Simplify right side
304,713.36x = 67,256,786,225.66 - Step 5: Solve for x
x = 67,256,786,225.66/304,713.36 - Step 6: Final answer
x = 220,721.49
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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.