Finding the Fourth Proportional to 530,184.26, 731,632.38 and 288,467.80
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Solution
The fourth proportional to 530,184.26, 731,632.38 and 288,467.80 is: 398,073.65
Step by Step Solution
- Step 1: Write the proportion equation
530,184.26 : 731,632.38 = 288,467.80 : x - Step 2: Convert to fraction form
530,184.26/731,632.38 = 288,467.80/x - Step 3: Cross multiply
530,184.26x = 731,632.38 × 288,467.80 - Step 4: Simplify right side
530,184.26x = 211,052,383,067.36 - Step 5: Solve for x
x = 211,052,383,067.36/530,184.26 - Step 6: Final answer
x = 398,073.65
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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.