Finding the Fourth Proportional to 416,409.48, 574,632.36 and 235,118.52
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Solution
The fourth proportional to 416,409.48, 574,632.36 and 235,118.52 is: 324,456.37
Step by Step Solution
- Step 1: Write the proportion equation
416,409.48 : 574,632.36 = 235,118.52 : x - Step 2: Convert to fraction form
416,409.48/574,632.36 = 235,118.52/x - Step 3: Cross multiply
416,409.48x = 574,632.36 × 235,118.52 - Step 4: Simplify right side
416,409.48x = 135,106,710,027.31 - Step 5: Solve for x
x = 135,106,710,027.31/416,409.48 - Step 6: Final answer
x = 324,456.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.