Finding the Fourth Proportional to 253,109.23, 349,296.26 and 151,115.68
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Solution
The fourth proportional to 253,109.23, 349,296.26 and 151,115.68 is: 208,542.94
Step by Step Solution
- Step 1: Write the proportion equation
253,109.23 : 349,296.26 = 151,115.68 : x - Step 2: Convert to fraction form
253,109.23/349,296.26 = 151,115.68/x - Step 3: Cross multiply
253,109.23x = 349,296.26 × 151,115.68 - Step 4: Simplify right side
253,109.23x = 52,784,141,851.36 - Step 5: Solve for x
x = 52,784,141,851.36/253,109.23 - Step 6: Final answer
x = 208,542.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.