Finding the Fourth Proportional to 328,812.93, 492,923.21 and 118,302.75
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Solution
The fourth proportional to 328,812.93, 492,923.21 and 118,302.75 is: 177,347.56
Step by Step Solution
- Step 1: Write the proportion equation
328,812.93 : 492,923.21 = 118,302.75 : x - Step 2: Convert to fraction form
328,812.93/492,923.21 = 118,302.75/x - Step 3: Cross multiply
328,812.93x = 492,923.21 × 118,302.75 - Step 4: Simplify right side
328,812.93x = 58,314,170,690.31 - Step 5: Solve for x
x = 58,314,170,690.31/328,812.93 - Step 6: Final answer
x = 177,347.56
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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.