Finding the Fourth Proportional to 292,161.81, 438,381.50 and 202,342.74
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Solution
The fourth proportional to 292,161.81, 438,381.50 and 202,342.74 is: 303,610.23
Step by Step Solution
- Step 1: Write the proportion equation
292,161.81 : 438,381.50 = 202,342.74 : x - Step 2: Convert to fraction form
292,161.81/438,381.50 = 202,342.74/x - Step 3: Cross multiply
292,161.81x = 438,381.50 × 202,342.74 - Step 4: Simplify right side
292,161.81x = 88,703,313,875.31 - Step 5: Solve for x
x = 88,703,313,875.31/292,161.81 - Step 6: Final answer
x = 303,610.23
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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.