Finding the Fourth Proportional to 326,106.14, 450,031.13 and 197,026.70
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Solution
The fourth proportional to 326,106.14, 450,031.13 and 197,026.70 is: 271,899.66
Step by Step Solution
- Step 1: Write the proportion equation
326,106.14 : 450,031.13 = 197,026.70 : x - Step 2: Convert to fraction form
326,106.14/450,031.13 = 197,026.70/x - Step 3: Cross multiply
326,106.14x = 450,031.13 × 197,026.70 - Step 4: Simplify right side
326,106.14x = 88,668,150,058.82 - Step 5: Solve for x
x = 88,668,150,058.82/326,106.14 - Step 6: Final answer
x = 271,899.66
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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.