Finding the Fourth Proportional to 287,544.24, 431,368.02 and 118,972.74
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Solution
The fourth proportional to 287,544.24, 431,368.02 and 118,972.74 is: 178,480.48
Step by Step Solution
- Step 1: Write the proportion equation
287,544.24 : 431,368.02 = 118,972.74 : x - Step 2: Convert to fraction form
287,544.24/431,368.02 = 118,972.74/x - Step 3: Cross multiply
287,544.24x = 431,368.02 × 118,972.74 - Step 4: Simplify right side
287,544.24x = 51,321,035,287.77 - Step 5: Solve for x
x = 51,321,035,287.77/287,544.24 - Step 6: Final answer
x = 178,480.48
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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.