Finding the Fourth Proportional to 634,206.32, 875,198.05 and 347,725.70
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Solution
The fourth proportional to 634,206.32, 875,198.05 and 347,725.70 is: 479,857.80
Step by Step Solution
- Step 1: Write the proportion equation
634,206.32 : 875,198.05 = 347,725.70 : x - Step 2: Convert to fraction form
634,206.32/875,198.05 = 347,725.70/x - Step 3: Cross multiply
634,206.32x = 875,198.05 × 347,725.70 - Step 4: Simplify right side
634,206.32x = 304,328,849,329.58 - Step 5: Solve for x
x = 304,328,849,329.58/634,206.32 - Step 6: Final answer
x = 479,857.80
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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.