Finding the Fourth Proportional to 178,590.80, 267,497.40 and 108,347.60
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Solution
The fourth proportional to 178,590.80, 267,497.40 and 108,347.60 is: 162,285.52
Step by Step Solution
- Step 1: Write the proportion equation
178,590.80 : 267,497.40 = 108,347.60 : x - Step 2: Convert to fraction form
178,590.80/267,497.40 = 108,347.60/x - Step 3: Cross multiply
178,590.80x = 267,497.40 × 108,347.60 - Step 4: Simplify right side
178,590.80x = 28,982,701,296.24 - Step 5: Solve for x
x = 28,982,701,296.24/178,590.80 - Step 6: Final answer
x = 162,285.52
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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.