Finding the Fourth Proportional to 292,393.87, 438,237.60 and 142,409.41
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Solution
The fourth proportional to 292,393.87, 438,237.60 and 142,409.41 is: 213,442.09
Step by Step Solution
- Step 1: Write the proportion equation
292,393.87 : 438,237.60 = 142,409.41 : x - Step 2: Convert to fraction form
292,393.87/438,237.60 = 142,409.41/x - Step 3: Cross multiply
292,393.87x = 438,237.60 × 142,409.41 - Step 4: Simplify right side
292,393.87x = 62,409,158,055.82 - Step 5: Solve for x
x = 62,409,158,055.82/292,393.87 - Step 6: Final answer
x = 213,442.09
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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.