Finding the Fourth Proportional to 287,994.53, 397,429.00 and 158,933.99
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Solution
The fourth proportional to 287,994.53, 397,429.00 and 158,933.99 is: 219,327.00
Step by Step Solution
- Step 1: Write the proportion equation
287,994.53 : 397,429.00 = 158,933.99 : x - Step 2: Convert to fraction form
287,994.53/397,429.00 = 158,933.99/x - Step 3: Cross multiply
287,994.53x = 397,429.00 × 158,933.99 - Step 4: Simplify right side
287,994.53x = 63,164,974,327.23 - Step 5: Solve for x
x = 63,164,974,327.23/287,994.53 - Step 6: Final answer
x = 219,327.00
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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.