Finding the Fourth Proportional to 292,460.94, 438,691.41 and 105,472.44
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Solution
The fourth proportional to 292,460.94, 438,691.41 and 105,472.44 is: 158,208.66
Step by Step Solution
- Step 1: Write the proportion equation
292,460.94 : 438,691.41 = 105,472.44 : x - Step 2: Convert to fraction form
292,460.94/438,691.41 = 105,472.44/x - Step 3: Cross multiply
292,460.94x = 438,691.41 × 105,472.44 - Step 4: Simplify right side
292,460.94x = 46,269,853,419.74 - Step 5: Solve for x
x = 46,269,853,419.74/292,460.94 - Step 6: Final answer
x = 158,208.66
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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.