Finding the Fourth Proportional to 548,416.99, 822,457.87 and 193,347.97
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Solution
The fourth proportional to 548,416.99, 822,457.87 and 193,347.97 is: 289,962.86
Step by Step Solution
- Step 1: Write the proportion equation
548,416.99 : 822,457.87 = 193,347.97 : x - Step 2: Convert to fraction form
548,416.99/822,457.87 = 193,347.97/x - Step 3: Cross multiply
548,416.99x = 822,457.87 × 193,347.97 - Step 4: Simplify right side
548,416.99x = 159,020,560,603.10 - Step 5: Solve for x
x = 159,020,560,603.10/548,416.99 - Step 6: Final answer
x = 289,962.86
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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.