Finding the Fourth Proportional to 221,199.42, 330,184.30 and 189,811.19
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Solution
The fourth proportional to 221,199.42, 330,184.30 and 189,811.19 is: 283,331.09
Step by Step Solution
- Step 1: Write the proportion equation
221,199.42 : 330,184.30 = 189,811.19 : x - Step 2: Convert to fraction form
221,199.42/330,184.30 = 189,811.19/x - Step 3: Cross multiply
221,199.42x = 330,184.30 × 189,811.19 - Step 4: Simplify right side
221,199.42x = 62,672,674,301.43 - Step 5: Solve for x
x = 62,672,674,301.43/221,199.42 - Step 6: Final answer
x = 283,331.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.