Finding the Fourth Proportional to 382,291.42, 527,573.64 and 210,200.49
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Solution
The fourth proportional to 382,291.42, 527,573.64 and 210,200.49 is: 290,082.99
Step by Step Solution
- Step 1: Write the proportion equation
382,291.42 : 527,573.64 = 210,200.49 : x - Step 2: Convert to fraction form
382,291.42/527,573.64 = 210,200.49/x - Step 3: Cross multiply
382,291.42x = 527,573.64 × 210,200.49 - Step 4: Simplify right side
382,291.42x = 110,896,237,639.08 - Step 5: Solve for x
x = 110,896,237,639.08/382,291.42 - Step 6: Final answer
x = 290,082.99
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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.