Finding the Fourth Proportional to 371,398.23, 512,532.77 and 201,632.76
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Solution
The fourth proportional to 371,398.23, 512,532.77 and 201,632.76 is: 278,254.95
Step by Step Solution
- Step 1: Write the proportion equation
371,398.23 : 512,532.77 = 201,632.76 : x - Step 2: Convert to fraction form
371,398.23/512,532.77 = 201,632.76/x - Step 3: Cross multiply
371,398.23x = 512,532.77 × 201,632.76 - Step 4: Simplify right side
371,398.23x = 103,343,395,997.38 - Step 5: Solve for x
x = 103,343,395,997.38/371,398.23 - Step 6: Final answer
x = 278,254.95
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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.