Finding the Fourth Proportional to 292,112.12, 438,163.63 and 149,875.31
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Solution
The fourth proportional to 292,112.12, 438,163.63 and 149,875.31 is: 224,810.64
Step by Step Solution
- Step 1: Write the proportion equation
292,112.12 : 438,163.63 = 149,875.31 : x - Step 2: Convert to fraction form
292,112.12/438,163.63 = 149,875.31/x - Step 3: Cross multiply
292,112.12x = 438,163.63 × 149,875.31 - Step 4: Simplify right side
292,112.12x = 65,669,911,837.97 - Step 5: Solve for x
x = 65,669,911,837.97/292,112.12 - Step 6: Final answer
x = 224,810.64
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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.