Finding the Fourth Proportional to 406,527.25, 561,202.62 and 285,772.05
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Solution
The fourth proportional to 406,527.25, 561,202.62 and 285,772.05 is: 394,502.52
Step by Step Solution
- Step 1: Write the proportion equation
406,527.25 : 561,202.62 = 285,772.05 : x - Step 2: Convert to fraction form
406,527.25/561,202.62 = 285,772.05/x - Step 3: Cross multiply
406,527.25x = 561,202.62 × 285,772.05 - Step 4: Simplify right side
406,527.25x = 160,376,023,182.77 - Step 5: Solve for x
x = 160,376,023,182.77/406,527.25 - Step 6: Final answer
x = 394,502.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.