Finding the Fourth Proportional to 314,358.99, 433,797.75 and 171,110.49
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Solution
The fourth proportional to 314,358.99, 433,797.75 and 171,110.49 is: 236,122.87
Step by Step Solution
- Step 1: Write the proportion equation
314,358.99 : 433,797.75 = 171,110.49 : x - Step 2: Convert to fraction form
314,358.99/433,797.75 = 171,110.49/x - Step 3: Cross multiply
314,358.99x = 433,797.75 × 171,110.49 - Step 4: Simplify right side
314,358.99x = 74,227,345,563.40 - Step 5: Solve for x
x = 74,227,345,563.40/314,358.99 - Step 6: Final answer
x = 236,122.87
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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.