Finding the Fourth Proportional to 292,844.20, 438,920.70 and 124,364.20
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Solution
The fourth proportional to 292,844.20, 438,920.70 and 124,364.20 is: 186,399.53
Step by Step Solution
- Step 1: Write the proportion equation
292,844.20 : 438,920.70 = 124,364.20 : x - Step 2: Convert to fraction form
292,844.20/438,920.70 = 124,364.20/x - Step 3: Cross multiply
292,844.20x = 438,920.70 × 124,364.20 - Step 4: Simplify right side
292,844.20x = 54,586,021,718.94 - Step 5: Solve for x
x = 54,586,021,718.94/292,844.20 - Step 6: Final answer
x = 186,399.53
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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.