Finding the Fourth Proportional to 317,742.13, 476,722.41 and 199,274.77
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Solution
The fourth proportional to 317,742.13, 476,722.41 and 199,274.77 is: 298,980.65
Step by Step Solution
- Step 1: Write the proportion equation
317,742.13 : 476,722.41 = 199,274.77 : x - Step 2: Convert to fraction form
317,742.13/476,722.41 = 199,274.77/x - Step 3: Cross multiply
317,742.13x = 476,722.41 × 199,274.77 - Step 4: Simplify right side
317,742.13x = 94,998,748,606.60 - Step 5: Solve for x
x = 94,998,748,606.60/317,742.13 - Step 6: Final answer
x = 298,980.65
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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.