Finding the Fourth Proportional to 330,809.80, 496,214.70 and 237,497.80
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Solution
The fourth proportional to 330,809.80, 496,214.70 and 237,497.80 is: 356,246.70
Step by Step Solution
- Step 1: Write the proportion equation
330,809.80 : 496,214.70 = 237,497.80 : x - Step 2: Convert to fraction form
330,809.80/496,214.70 = 237,497.80/x - Step 3: Cross multiply
330,809.80x = 496,214.70 × 237,497.80 - Step 4: Simplify right side
330,809.80x = 117,849,899,577.66 - Step 5: Solve for x
x = 117,849,899,577.66/330,809.80 - Step 6: Final answer
x = 356,246.70
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1.5x scale
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.