Finding the Fourth Proportional to 433,205.70, 649,808.55 and 183,887.70
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Solution
The fourth proportional to 433,205.70, 649,808.55 and 183,887.70 is: 275,831.55
Step by Step Solution
- Step 1: Write the proportion equation
433,205.70 : 649,808.55 = 183,887.70 : x - Step 2: Convert to fraction form
433,205.70/649,808.55 = 183,887.70/x - Step 3: Cross multiply
433,205.70x = 649,808.55 × 183,887.70 - Step 4: Simplify right side
433,205.70x = 119,491,799,699.84 - Step 5: Solve for x
x = 119,491,799,699.84/433,205.70 - Step 6: Final answer
x = 275,831.55
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1.5x scale
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.