Finding the Fourth Proportional to 288,676.98, 433,408.14 and 162,406.08
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Solution
The fourth proportional to 288,676.98, 433,408.14 and 162,406.08 is: 243,830.03
Step by Step Solution
- Step 1: Write the proportion equation
288,676.98 : 433,408.14 = 162,406.08 : x - Step 2: Convert to fraction form
288,676.98/433,408.14 = 162,406.08/x - Step 3: Cross multiply
288,676.98x = 433,408.14 × 162,406.08 - Step 4: Simplify right side
288,676.98x = 70,388,117,057.49 - Step 5: Solve for x
x = 70,388,117,057.49/288,676.98 - Step 6: Final answer
x = 243,830.03
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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.