Finding the Fourth Proportional to 372,644.80, 514,232.88 and 202,878.56
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Solution
The fourth proportional to 372,644.80, 514,232.88 and 202,878.56 is: 279,963.19
Step by Step Solution
- Step 1: Write the proportion equation
372,644.80 : 514,232.88 = 202,878.56 : x - Step 2: Convert to fraction form
372,644.80/514,232.88 = 202,878.56/x - Step 3: Cross multiply
372,644.80x = 514,232.88 × 202,878.56 - Step 4: Simplify right side
372,644.80x = 104,326,826,199.05 - Step 5: Solve for x
x = 104,326,826,199.05/372,644.80 - Step 6: Final answer
x = 279,963.19
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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.