Finding the Fourth Proportional to 292,368.40, 438,552.60 and 142,704.70
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Solution
The fourth proportional to 292,368.40, 438,552.60 and 142,704.70 is: 214,057.05
Step by Step Solution
- Step 1: Write the proportion equation
292,368.40 : 438,552.60 = 142,704.70 : x - Step 2: Convert to fraction form
292,368.40/438,552.60 = 142,704.70/x - Step 3: Cross multiply
292,368.40x = 438,552.60 × 142,704.70 - Step 4: Simplify right side
292,368.40x = 62,583,517,217.22 - Step 5: Solve for x
x = 62,583,517,217.22/292,368.40 - Step 6: Final answer
x = 214,057.05
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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.