Finding the Fourth Proportional to 515,723.19, 773,590.10 and 155,896.99
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Solution
The fourth proportional to 515,723.19, 773,590.10 and 155,896.99 is: 233,847.09
Step by Step Solution
- Step 1: Write the proportion equation
515,723.19 : 773,590.10 = 155,896.99 : x - Step 2: Convert to fraction form
515,723.19/773,590.10 = 155,896.99/x - Step 3: Cross multiply
515,723.19x = 773,590.10 × 155,896.99 - Step 4: Simplify right side
515,723.19x = 120,600,365,370.34 - Step 5: Solve for x
x = 120,600,365,370.34/515,723.19 - Step 6: Final answer
x = 233,847.09
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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.