Finding the Fourth Proportional to 371,740.17, 512,995.11 and 201,973.08
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Solution
The fourth proportional to 371,740.17, 512,995.11 and 201,973.08 is: 278,719.41
Step by Step Solution
- Step 1: Write the proportion equation
371,740.17 : 512,995.11 = 201,973.08 : x - Step 2: Convert to fraction form
371,740.17/512,995.11 = 201,973.08/x - Step 3: Cross multiply
371,740.17x = 512,995.11 × 201,973.08 - Step 4: Simplify right side
371,740.17x = 103,611,202,391.64 - Step 5: Solve for x
x = 103,611,202,391.64/371,740.17 - Step 6: Final answer
x = 278,719.41
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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.