Finding the Fourth Proportional to 213,548.09, 294,670.76 and 118,041.80
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Solution
The fourth proportional to 213,548.09, 294,670.76 and 118,041.80 is: 162,883.53
Step by Step Solution
- Step 1: Write the proportion equation
213,548.09 : 294,670.76 = 118,041.80 : x - Step 2: Convert to fraction form
213,548.09/294,670.76 = 118,041.80/x - Step 3: Cross multiply
213,548.09x = 294,670.76 × 118,041.80 - Step 4: Simplify right side
213,548.09x = 34,783,464,854.21 - Step 5: Solve for x
x = 34,783,464,854.21/213,548.09 - Step 6: Final answer
x = 162,883.53
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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.