Finding the Fourth Proportional to 283,897.31, 424,960.23 and 209,101.91
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Solution
The fourth proportional to 283,897.31, 424,960.23 and 209,101.91 is: 313,000.49
Step by Step Solution
- Step 1: Write the proportion equation
283,897.31 : 424,960.23 = 209,101.91 : x - Step 2: Convert to fraction form
283,897.31/424,960.23 = 209,101.91/x - Step 3: Cross multiply
283,897.31x = 424,960.23 × 209,101.91 - Step 4: Simplify right side
283,897.31x = 88,859,995,767.04 - Step 5: Solve for x
x = 88,859,995,767.04/283,897.31 - Step 6: Final answer
x = 313,000.49
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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.