Finding the Fourth Proportional to 146,203.29, 201,762.21 and 85,774.98
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Solution
The fourth proportional to 146,203.29, 201,762.21 and 85,774.98 is: 118,370.45
Step by Step Solution
- Step 1: Write the proportion equation
146,203.29 : 201,762.21 = 85,774.98 : x - Step 2: Convert to fraction form
146,203.29/201,762.21 = 85,774.98/x - Step 3: Cross multiply
146,203.29x = 201,762.21 × 85,774.98 - Step 4: Simplify right side
146,203.29x = 17,306,149,527.51 - Step 5: Solve for x
x = 17,306,149,527.51/146,203.29 - Step 6: Final answer
x = 118,370.45
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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.