Finding the Fourth Proportional to 289,874.96, 400,031.58 and 175,137.68
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Solution
The fourth proportional to 289,874.96, 400,031.58 and 175,137.68 is: 241,692.50
Step by Step Solution
- Step 1: Write the proportion equation
289,874.96 : 400,031.58 = 175,137.68 : x - Step 2: Convert to fraction form
289,874.96/400,031.58 = 175,137.68/x - Step 3: Cross multiply
289,874.96x = 400,031.58 × 175,137.68 - Step 4: Simplify right side
289,874.96x = 70,060,602,847.93 - Step 5: Solve for x
x = 70,060,602,847.93/289,874.96 - Step 6: Final answer
x = 241,692.50
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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.