Finding the Fourth Proportional to 371,722.84, 512,976.18 and 201,955.48
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Solution
The fourth proportional to 371,722.84, 512,976.18 and 201,955.48 is: 278,697.83
Step by Step Solution
- Step 1: Write the proportion equation
371,722.84 : 512,976.18 = 201,955.48 : x - Step 2: Convert to fraction form
371,722.84/512,976.18 = 201,955.48/x - Step 3: Cross multiply
371,722.84x = 512,976.18 × 201,955.48 - Step 4: Simplify right side
371,722.84x = 103,598,350,660.47 - Step 5: Solve for x
x = 103,598,350,660.47/371,722.84 - Step 6: Final answer
x = 278,697.83
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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.