Finding the Fourth Proportional to 296,252.36, 408,402.98 and 211,221.80
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Solution
The fourth proportional to 296,252.36, 408,402.98 and 211,221.80 is: 291,182.87
Step by Step Solution
- Step 1: Write the proportion equation
296,252.36 : 408,402.98 = 211,221.80 : x - Step 2: Convert to fraction form
296,252.36/408,402.98 = 211,221.80/x - Step 3: Cross multiply
296,252.36x = 408,402.98 × 211,221.80 - Step 4: Simplify right side
296,252.36x = 86,263,612,560.96 - Step 5: Solve for x
x = 86,263,612,560.96/296,252.36 - Step 6: Final answer
x = 291,182.87
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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.