Finding the Fourth Proportional to 269,872.98, 405,056.43 and 136,845.06
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Solution
The fourth proportional to 269,872.98, 405,056.43 and 136,845.06 is: 205,392.82
Step by Step Solution
- Step 1: Write the proportion equation
269,872.98 : 405,056.43 = 136,845.06 : x - Step 2: Convert to fraction form
269,872.98/405,056.43 = 136,845.06/x - Step 3: Cross multiply
269,872.98x = 405,056.43 × 136,845.06 - Step 4: Simplify right side
269,872.98x = 55,429,971,466.74 - Step 5: Solve for x
x = 55,429,971,466.74/269,872.98 - Step 6: Final answer
x = 205,392.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.