Finding the Fourth Proportional to 449,288.98, 620,044.12 and 245,358.88
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Solution
The fourth proportional to 449,288.98, 620,044.12 and 245,358.88 is: 338,609.09
Step by Step Solution
- Step 1: Write the proportion equation
449,288.98 : 620,044.12 = 245,358.88 : x - Step 2: Convert to fraction form
449,288.98/620,044.12 = 245,358.88/x - Step 3: Cross multiply
449,288.98x = 620,044.12 × 245,358.88 - Step 4: Simplify right side
449,288.98x = 152,133,330,833.79 - Step 5: Solve for x
x = 152,133,330,833.79/449,288.98 - Step 6: Final answer
x = 338,609.09
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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.