Finding the Fourth Proportional to 292,515.80, 438,773.70 and 166,107.20
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Solution
The fourth proportional to 292,515.80, 438,773.70 and 166,107.20 is: 249,160.80
Step by Step Solution
- Step 1: Write the proportion equation
292,515.80 : 438,773.70 = 166,107.20 : x - Step 2: Convert to fraction form
292,515.80/438,773.70 = 166,107.20/x - Step 3: Cross multiply
292,515.80x = 438,773.70 × 166,107.20 - Step 4: Simplify right side
292,515.80x = 72,883,470,740.64 - Step 5: Solve for x
x = 72,883,470,740.64/292,515.80 - Step 6: Final answer
x = 249,160.80
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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.