Finding the Fourth Proportional to 261,508.50, 392,404.50 and 202,459.50
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Solution
The fourth proportional to 261,508.50, 392,404.50 and 202,459.50 is: 303,798.99
Step by Step Solution
- Step 1: Write the proportion equation
261,508.50 : 392,404.50 = 202,459.50 : x - Step 2: Convert to fraction form
261,508.50/392,404.50 = 202,459.50/x - Step 3: Cross multiply
261,508.50x = 392,404.50 × 202,459.50 - Step 4: Simplify right side
261,508.50x = 79,446,018,867.75 - Step 5: Solve for x
x = 79,446,018,867.75/261,508.50 - Step 6: Final answer
x = 303,798.99
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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.