Finding the Fourth Proportional to 314,933.13, 434,615.99 and 194,154.21
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Solution
The fourth proportional to 314,933.13, 434,615.99 and 194,154.21 is: 267,937.91
Step by Step Solution
- Step 1: Write the proportion equation
314,933.13 : 434,615.99 = 194,154.21 : x - Step 2: Convert to fraction form
314,933.13/434,615.99 = 194,154.21/x - Step 3: Cross multiply
314,933.13x = 434,615.99 × 194,154.21 - Step 4: Simplify right side
314,933.13x = 84,382,523,221.05 - Step 5: Solve for x
x = 84,382,523,221.05/314,933.13 - Step 6: Final answer
x = 267,937.91
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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.