Finding the Fourth Proportional to 471,243.80, 706,865.70 and 377,931.80
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Solution
The fourth proportional to 471,243.80, 706,865.70 and 377,931.80 is: 566,897.70
Step by Step Solution
- Step 1: Write the proportion equation
471,243.80 : 706,865.70 = 377,931.80 : x - Step 2: Convert to fraction form
471,243.80/706,865.70 = 377,931.80/x - Step 3: Cross multiply
471,243.80x = 706,865.70 × 377,931.80 - Step 4: Simplify right side
471,243.80x = 267,147,026,359.26 - Step 5: Solve for x
x = 267,147,026,359.26/471,243.80 - Step 6: Final answer
x = 566,897.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.