Finding the Fourth Proportional to 314,808.09, 434,422.49 and 171,565.05
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Solution
The fourth proportional to 314,808.09, 434,422.49 and 171,565.05 is: 236,752.86
Step by Step Solution
- Step 1: Write the proportion equation
314,808.09 : 434,422.49 = 171,565.05 : x - Step 2: Convert to fraction form
314,808.09/434,422.49 = 171,565.05/x - Step 3: Cross multiply
314,808.09x = 434,422.49 × 171,565.05 - Step 4: Simplify right side
314,808.09x = 74,531,715,360.15 - Step 5: Solve for x
x = 74,531,715,360.15/314,808.09 - Step 6: Final answer
x = 236,752.86
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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.