Finding the Fourth Proportional to 382,271.48, 527,548.18 and 210,202.54
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Solution
The fourth proportional to 382,271.48, 527,548.18 and 210,202.54 is: 290,086.95
Step by Step Solution
- Step 1: Write the proportion equation
382,271.48 : 527,548.18 = 210,202.54 : x - Step 2: Convert to fraction form
382,271.48/527,548.18 = 210,202.54/x - Step 3: Cross multiply
382,271.48x = 527,548.18 × 210,202.54 - Step 4: Simplify right side
382,271.48x = 110,891,967,408.38 - Step 5: Solve for x
x = 110,891,967,408.38/382,271.48 - Step 6: Final answer
x = 290,086.95
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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.