Finding the Fourth Proportional to 291,125.04, 436,539.84 and 133,218.18
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Solution
The fourth proportional to 291,125.04, 436,539.84 and 133,218.18 is: 199,759.67
Step by Step Solution
- Step 1: Write the proportion equation
291,125.04 : 436,539.84 = 133,218.18 : x - Step 2: Convert to fraction form
291,125.04/436,539.84 = 133,218.18/x - Step 3: Cross multiply
291,125.04x = 436,539.84 × 133,218.18 - Step 4: Simplify right side
291,125.04x = 58,155,042,982.29 - Step 5: Solve for x
x = 58,155,042,982.29/291,125.04 - Step 6: Final answer
x = 199,759.67
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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.