Finding the Fourth Proportional to 545,706.68, 753,082.99 and 313,171.47
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Solution
The fourth proportional to 545,706.68, 753,082.99 and 313,171.47 is: 432,181.09
Step by Step Solution
- Step 1: Write the proportion equation
545,706.68 : 753,082.99 = 313,171.47 : x - Step 2: Convert to fraction form
545,706.68/753,082.99 = 313,171.47/x - Step 3: Cross multiply
545,706.68x = 753,082.99 × 313,171.47 - Step 4: Simplify right side
545,706.68x = 235,844,106,227.37 - Step 5: Solve for x
x = 235,844,106,227.37/545,706.68 - Step 6: Final answer
x = 432,181.09
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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.