Finding the Fourth Proportional to 218,239.04, 327,438.52 and 91,911.08
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Solution
The fourth proportional to 218,239.04, 327,438.52 and 91,911.08 is: 137,900.30
Step by Step Solution
- Step 1: Write the proportion equation
218,239.04 : 327,438.52 = 91,911.08 : x - Step 2: Convert to fraction form
218,239.04/327,438.52 = 91,911.08/x - Step 3: Cross multiply
218,239.04x = 327,438.52 × 91,911.08 - Step 4: Simplify right side
218,239.04x = 30,095,228,595.62 - Step 5: Solve for x
x = 30,095,228,595.62/218,239.04 - Step 6: Final answer
x = 137,900.30
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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.