Finding the Fourth Proportional to 337,409.80, 506,114.70 and 321,857.80
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Solution
The fourth proportional to 337,409.80, 506,114.70 and 321,857.80 is: 482,786.70
Step by Step Solution
- Step 1: Write the proportion equation
337,409.80 : 506,114.70 = 321,857.80 : x - Step 2: Convert to fraction form
337,409.80/506,114.70 = 321,857.80/x - Step 3: Cross multiply
337,409.80x = 506,114.70 × 321,857.80 - Step 4: Simplify right side
337,409.80x = 162,896,963,889.66 - Step 5: Solve for x
x = 162,896,963,889.66/337,409.80 - Step 6: Final answer
x = 482,786.70
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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.