Finding the Fourth Proportional to 296,235.36, 408,379.52 and 211,204.80
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Solution
The fourth proportional to 296,235.36, 408,379.52 and 211,204.80 is: 291,159.42
Step by Step Solution
- Step 1: Write the proportion equation
296,235.36 : 408,379.52 = 211,204.80 : x - Step 2: Convert to fraction form
296,235.36/408,379.52 = 211,204.80/x - Step 3: Cross multiply
296,235.36x = 408,379.52 × 211,204.80 - Step 4: Simplify right side
296,235.36x = 86,251,714,845.70 - Step 5: Solve for x
x = 86,251,714,845.70/296,235.36 - Step 6: Final answer
x = 291,159.42
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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.