Finding the Fourth Proportional to 292,093.20, 438,139.80 and 125,881.20
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Solution
The fourth proportional to 292,093.20, 438,139.80 and 125,881.20 is: 188,821.80
Step by Step Solution
- Step 1: Write the proportion equation
292,093.20 : 438,139.80 = 125,881.20 : x - Step 2: Convert to fraction form
292,093.20/438,139.80 = 125,881.20/x - Step 3: Cross multiply
292,093.20x = 438,139.80 × 125,881.20 - Step 4: Simplify right side
292,093.20x = 55,153,563,791.76 - Step 5: Solve for x
x = 55,153,563,791.76/292,093.20 - Step 6: Final answer
x = 188,821.80
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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.