Finding the Fourth Proportional to 371,599.78, 512,810.40 and 201,833.96
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Solution
The fourth proportional to 371,599.78, 512,810.40 and 201,833.96 is: 278,532.33
Step by Step Solution
- Step 1: Write the proportion equation
371,599.78 : 512,810.40 = 201,833.96 : x - Step 2: Convert to fraction form
371,599.78/512,810.40 = 201,833.96/x - Step 3: Cross multiply
371,599.78x = 512,810.40 × 201,833.96 - Step 4: Simplify right side
371,599.78x = 103,502,553,761.18 - Step 5: Solve for x
x = 103,502,553,761.18/371,599.78 - Step 6: Final answer
x = 278,532.33
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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.