Finding the Fourth Proportional to 585,011.75, 877,517.64 and 141,779.75
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Solution
The fourth proportional to 585,011.75, 877,517.64 and 141,779.75 is: 212,669.63
Step by Step Solution
- Step 1: Write the proportion equation
585,011.75 : 877,517.64 = 141,779.75 : x - Step 2: Convert to fraction form
585,011.75/877,517.64 = 141,779.75/x - Step 3: Cross multiply
585,011.75x = 877,517.64 × 141,779.75 - Step 4: Simplify right side
585,011.75x = 124,414,231,619.79 - Step 5: Solve for x
x = 124,414,231,619.79/585,011.75 - Step 6: Final answer
x = 212,669.63
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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.