Finding the Fourth Proportional to 306,682.61, 423,218.66 and 170,714.39
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Solution
The fourth proportional to 306,682.61, 423,218.66 and 170,714.39 is: 235,583.99
Step by Step Solution
- Step 1: Write the proportion equation
306,682.61 : 423,218.66 = 170,714.39 : x - Step 2: Convert to fraction form
306,682.61/423,218.66 = 170,714.39/x - Step 3: Cross multiply
306,682.61x = 423,218.66 × 170,714.39 - Step 4: Simplify right side
306,682.61x = 72,249,512,408.85 - Step 5: Solve for x
x = 72,249,512,408.85/306,682.61 - Step 6: Final answer
x = 235,583.99
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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.