Finding the Fourth Proportional to 371,273.06, 512,356.74 and 201,507.20
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Solution
The fourth proportional to 371,273.06, 512,356.74 and 201,507.20 is: 278,079.89
Step by Step Solution
- Step 1: Write the proportion equation
371,273.06 : 512,356.74 = 201,507.20 : x - Step 2: Convert to fraction form
371,273.06/512,356.74 = 201,507.20/x - Step 3: Cross multiply
371,273.06x = 512,356.74 × 201,507.20 - Step 4: Simplify right side
371,273.06x = 103,243,572,078.53 - Step 5: Solve for x
x = 103,243,572,078.53/371,273.06 - Step 6: Final answer
x = 278,079.89
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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.