Finding the Fourth Proportional to 270,691.29, 405,781.58 and 93,074.09
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Solution
The fourth proportional to 270,691.29, 405,781.58 and 93,074.09 is: 139,523.33
Step by Step Solution
- Step 1: Write the proportion equation
270,691.29 : 405,781.58 = 93,074.09 : x - Step 2: Convert to fraction form
270,691.29/405,781.58 = 93,074.09/x - Step 3: Cross multiply
270,691.29x = 405,781.58 × 93,074.09 - Step 4: Simplify right side
270,691.29x = 37,767,749,501.04 - Step 5: Solve for x
x = 37,767,749,501.04/270,691.29 - Step 6: Final answer
x = 139,523.33
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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.