Finding the Fourth Proportional to 371,748.34, 513,014.07 and 201,982.46
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Solution
The fourth proportional to 371,748.34, 513,014.07 and 201,982.46 is: 278,736.53
Step by Step Solution
- Step 1: Write the proportion equation
371,748.34 : 513,014.07 = 201,982.46 : x - Step 2: Convert to fraction form
371,748.34/513,014.07 = 201,982.46/x - Step 3: Cross multiply
371,748.34x = 513,014.07 × 201,982.46 - Step 4: Simplify right side
371,748.34x = 103,619,843,873.21 - Step 5: Solve for x
x = 103,619,843,873.21/371,748.34 - Step 6: Final answer
x = 278,736.53
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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.