Finding the Fourth Proportional to 637,191.20, 879,324.48 and 350,711.36
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Solution
The fourth proportional to 637,191.20, 879,324.48 and 350,711.36 is: 483,982.02
Step by Step Solution
- Step 1: Write the proportion equation
637,191.20 : 879,324.48 = 350,711.36 : x - Step 2: Convert to fraction form
637,191.20/879,324.48 = 350,711.36/x - Step 3: Cross multiply
637,191.20x = 879,324.48 × 350,711.36 - Step 4: Simplify right side
637,191.20x = 308,389,084,262.09 - Step 5: Solve for x
x = 308,389,084,262.09/637,191.20 - Step 6: Final answer
x = 483,982.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.