Finding the Fourth Proportional to 382,357.50, 527,659.46 and 210,282.99
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Solution
The fourth proportional to 382,357.50, 527,659.46 and 210,282.99 is: 290,193.88
Step by Step Solution
- Step 1: Write the proportion equation
382,357.50 : 527,659.46 = 210,282.99 : x - Step 2: Convert to fraction form
382,357.50/527,659.46 = 210,282.99/x - Step 3: Cross multiply
382,357.50x = 527,659.46 × 210,282.99 - Step 4: Simplify right side
382,357.50x = 110,957,805,260.87 - Step 5: Solve for x
x = 110,957,805,260.87/382,357.50 - Step 6: Final answer
x = 290,193.88
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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.