Finding the Fourth Proportional to 369,651.56, 510,119.69 and 199,885.68
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Solution
The fourth proportional to 369,651.56, 510,119.69 and 199,885.68 is: 275,842.53
Step by Step Solution
- Step 1: Write the proportion equation
369,651.56 : 510,119.69 = 199,885.68 : x - Step 2: Convert to fraction form
369,651.56/510,119.69 = 199,885.68/x - Step 3: Cross multiply
369,651.56x = 510,119.69 × 199,885.68 - Step 4: Simplify right side
369,651.56x = 101,965,620,117.61 - Step 5: Solve for x
x = 101,965,620,117.61/369,651.56 - Step 6: Final answer
x = 275,842.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.