Finding the Fourth Proportional to 408,383.16, 612,953.82 and 208,846.14
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Solution
The fourth proportional to 408,383.16, 612,953.82 and 208,846.14 is: 313,463.07
Step by Step Solution
- Step 1: Write the proportion equation
408,383.16 : 612,953.82 = 208,846.14 : x - Step 2: Convert to fraction form
408,383.16/612,953.82 = 208,846.14/x - Step 3: Cross multiply
408,383.16x = 612,953.82 × 208,846.14 - Step 4: Simplify right side
408,383.16x = 128,013,039,305.26 - Step 5: Solve for x
x = 128,013,039,305.26/408,383.16 - Step 6: Final answer
x = 313,463.07
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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.