Finding the Fourth Proportional to 291,855.44, 437,759.78 and 129,799.66
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Solution
The fourth proportional to 291,855.44, 437,759.78 and 129,799.66 is: 194,689.09
Step by Step Solution
- Step 1: Write the proportion equation
291,855.44 : 437,759.78 = 129,799.66 : x - Step 2: Convert to fraction form
291,855.44/437,759.78 = 129,799.66/x - Step 3: Cross multiply
291,855.44x = 437,759.78 × 129,799.66 - Step 4: Simplify right side
291,855.44x = 56,821,070,605.67 - Step 5: Solve for x
x = 56,821,070,605.67/291,855.44 - Step 6: Final answer
x = 194,689.09
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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.