Finding the Fourth Proportional to 292,180.80, 438,237.28 and 81,835.68
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Solution
The fourth proportional to 292,180.80, 438,237.28 and 81,835.68 is: 122,744.02
Step by Step Solution
- Step 1: Write the proportion equation
292,180.80 : 438,237.28 = 81,835.68 : x - Step 2: Convert to fraction form
292,180.80/438,237.28 = 81,835.68/x - Step 3: Cross multiply
292,180.80x = 438,237.28 × 81,835.68 - Step 4: Simplify right side
292,180.80x = 35,863,445,810.15 - Step 5: Solve for x
x = 35,863,445,810.15/292,180.80 - Step 6: Final answer
x = 122,744.02
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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.