Finding the Fourth Proportional to 369,643.37, 510,107.51 and 199,877.09
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Solution
The fourth proportional to 369,643.37, 510,107.51 and 199,877.09 is: 275,830.20
Step by Step Solution
- Step 1: Write the proportion equation
369,643.37 : 510,107.51 = 199,877.09 : x - Step 2: Convert to fraction form
369,643.37/510,107.51 = 199,877.09/x - Step 3: Cross multiply
369,643.37x = 510,107.51 × 199,877.09 - Step 4: Simplify right side
369,643.37x = 101,958,803,686.56 - Step 5: Solve for x
x = 101,958,803,686.56/369,643.37 - Step 6: Final answer
x = 275,830.20
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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.