Finding the Fourth Proportional to 252,743.07, 348,785.73 and 139,565.82
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Solution
The fourth proportional to 252,743.07, 348,785.73 and 139,565.82 is: 192,600.99
Step by Step Solution
- Step 1: Write the proportion equation
252,743.07 : 348,785.73 = 139,565.82 : x - Step 2: Convert to fraction form
252,743.07/348,785.73 = 139,565.82/x - Step 3: Cross multiply
252,743.07x = 348,785.73 × 139,565.82 - Step 4: Simplify right side
252,743.07x = 48,678,566,411.75 - Step 5: Solve for x
x = 48,678,566,411.75/252,743.07 - Step 6: Final answer
x = 192,600.99
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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.