Finding the Fourth Proportional to 221,658.71, 332,534.76 and 71,887.32
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Solution
The fourth proportional to 221,658.71, 332,534.76 and 71,887.32 is: 107,846.12
Step by Step Solution
- Step 1: Write the proportion equation
221,658.71 : 332,534.76 = 71,887.32 : x - Step 2: Convert to fraction form
221,658.71/332,534.76 = 71,887.32/x - Step 3: Cross multiply
221,658.71x = 332,534.76 × 71,887.32 - Step 4: Simplify right side
221,658.71x = 23,905,032,703.24 - Step 5: Solve for x
x = 23,905,032,703.24/221,658.71 - Step 6: Final answer
x = 107,846.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.