Finding the Fourth Proportional to 432,883.80, 649,325.70 and 354,151.80
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Solution
The fourth proportional to 432,883.80, 649,325.70 and 354,151.80 is: 531,227.70
Step by Step Solution
- Step 1: Write the proportion equation
432,883.80 : 649,325.70 = 354,151.80 : x - Step 2: Convert to fraction form
432,883.80/649,325.70 = 354,151.80/x - Step 3: Cross multiply
432,883.80x = 649,325.70 × 354,151.80 - Step 4: Simplify right side
432,883.80x = 229,959,865,441.26 - Step 5: Solve for x
x = 229,959,865,441.26/432,883.80 - Step 6: Final answer
x = 531,227.70
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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.