Finding the Fourth Proportional to 300,037.84, 413,857.12 and 192,437.44
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Solution
The fourth proportional to 300,037.84, 413,857.12 and 192,437.44 is: 265,438.54
Step by Step Solution
- Step 1: Write the proportion equation
300,037.84 : 413,857.12 = 192,437.44 : x - Step 2: Convert to fraction form
300,037.84/413,857.12 = 192,437.44/x - Step 3: Cross multiply
300,037.84x = 413,857.12 × 192,437.44 - Step 4: Simplify right side
300,037.84x = 79,641,604,698.57 - Step 5: Solve for x
x = 79,641,604,698.57/300,037.84 - Step 6: Final answer
x = 265,438.54
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1.5x scale
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.