Finding the Fourth Proportional to 213,534.42, 294,664.86 and 118,035.42
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Solution
The fourth proportional to 213,534.42, 294,664.86 and 118,035.42 is: 162,881.89
Step by Step Solution
- Step 1: Write the proportion equation
213,534.42 : 294,664.86 = 118,035.42 : x - Step 2: Convert to fraction form
213,534.42/294,664.86 = 118,035.42/x - Step 3: Cross multiply
213,534.42x = 294,664.86 × 118,035.42 - Step 4: Simplify right side
213,534.42x = 34,780,890,509.34 - Step 5: Solve for x
x = 34,780,890,509.34/213,534.42 - Step 6: Final answer
x = 162,881.89
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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.