Finding the Fourth Proportional to 213,391.08, 294,485.64 and 117,903.84
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Solution
The fourth proportional to 213,391.08, 294,485.64 and 117,903.84 is: 162,710.59
Step by Step Solution
- Step 1: Write the proportion equation
213,391.08 : 294,485.64 = 117,903.84 : x - Step 2: Convert to fraction form
213,391.08/294,485.64 = 117,903.84/x - Step 3: Cross multiply
213,391.08x = 294,485.64 × 117,903.84 - Step 4: Simplify right side
213,391.08x = 34,720,987,780.86 - Step 5: Solve for x
x = 34,720,987,780.86/213,391.08 - Step 6: Final answer
x = 162,710.59
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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.