Finding the Fourth Proportional to 218,221.70, 327,332.55 and 93,805.70
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Solution
The fourth proportional to 218,221.70, 327,332.55 and 93,805.70 is: 140,708.55
Step by Step Solution
- Step 1: Write the proportion equation
218,221.70 : 327,332.55 = 93,805.70 : x - Step 2: Convert to fraction form
218,221.70/327,332.55 = 93,805.70/x - Step 3: Cross multiply
218,221.70x = 327,332.55 × 93,805.70 - Step 4: Simplify right side
218,221.70x = 30,705,658,985.54 - Step 5: Solve for x
x = 30,705,658,985.54/218,221.70 - Step 6: Final answer
x = 140,708.55
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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.