Finding the Fourth Proportional to 218,397.99, 327,598.80 and 60,638.74
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Solution
The fourth proportional to 218,397.99, 327,598.80 and 60,638.74 is: 90,958.62
Step by Step Solution
- Step 1: Write the proportion equation
218,397.99 : 327,598.80 = 60,638.74 : x - Step 2: Convert to fraction form
218,397.99/327,598.80 = 60,638.74/x - Step 3: Cross multiply
218,397.99x = 327,598.80 × 60,638.74 - Step 4: Simplify right side
218,397.99x = 19,865,178,457.51 - Step 5: Solve for x
x = 19,865,178,457.51/218,397.99 - Step 6: Final answer
x = 90,958.62
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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.