Finding the Fourth Proportional to 292,205.80, 438,308.70 and 167,789.80
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Solution
The fourth proportional to 292,205.80, 438,308.70 and 167,789.80 is: 251,684.70
Step by Step Solution
- Step 1: Write the proportion equation
292,205.80 : 438,308.70 = 167,789.80 : x - Step 2: Convert to fraction form
292,205.80/438,308.70 = 167,789.80/x - Step 3: Cross multiply
292,205.80x = 438,308.70 × 167,789.80 - Step 4: Simplify right side
292,205.80x = 73,543,729,111.26 - Step 5: Solve for x
x = 73,543,729,111.26/292,205.80 - Step 6: Final answer
x = 251,684.70
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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.