Finding the Fourth Proportional to 232,987.30, 349,529.55 and 133,065.70
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Solution
The fourth proportional to 232,987.30, 349,529.55 and 133,065.70 is: 199,626.31
Step by Step Solution
- Step 1: Write the proportion equation
232,987.30 : 349,529.55 = 133,065.70 : x - Step 2: Convert to fraction form
232,987.30/349,529.55 = 133,065.70/x - Step 3: Cross multiply
232,987.30x = 349,529.55 × 133,065.70 - Step 4: Simplify right side
232,987.30x = 46,510,394,241.44 - Step 5: Solve for x
x = 46,510,394,241.44/232,987.30 - Step 6: Final answer
x = 199,626.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.