Finding the Fourth Proportional to 149,418.41, 206,204.71 and 84,027.83
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Solution
The fourth proportional to 149,418.41, 206,204.71 and 84,027.83 is: 115,962.50
Step by Step Solution
- Step 1: Write the proportion equation
149,418.41 : 206,204.71 = 84,027.83 : x - Step 2: Convert to fraction form
149,418.41/206,204.71 = 84,027.83/x - Step 3: Cross multiply
149,418.41x = 206,204.71 × 84,027.83 - Step 4: Simplify right side
149,418.41x = 17,326,933,075.99 - Step 5: Solve for x
x = 17,326,933,075.99/149,418.41 - Step 6: Final answer
x = 115,962.50
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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.