Finding the Fourth Proportional to 328,207.44, 492,315.06 and 91,535.70
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Solution
The fourth proportional to 328,207.44, 492,315.06 and 91,535.70 is: 137,304.64
Step by Step Solution
- Step 1: Write the proportion equation
328,207.44 : 492,315.06 = 91,535.70 : x - Step 2: Convert to fraction form
328,207.44/492,315.06 = 91,535.70/x - Step 3: Cross multiply
328,207.44x = 492,315.06 × 91,535.70 - Step 4: Simplify right side
328,207.44x = 45,064,403,637.64 - Step 5: Solve for x
x = 45,064,403,637.64/328,207.44 - Step 6: Final answer
x = 137,304.64
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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.