Finding the Fourth Proportional to 331,660.68, 457,692.18 and 180,757.68
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Solution
The fourth proportional to 331,660.68, 457,692.18 and 180,757.68 is: 249,445.84
Step by Step Solution
- Step 1: Write the proportion equation
331,660.68 : 457,692.18 = 180,757.68 : x - Step 2: Convert to fraction form
331,660.68/457,692.18 = 180,757.68/x - Step 3: Cross multiply
331,660.68x = 457,692.18 × 180,757.68 - Step 4: Simplify right side
331,660.68x = 82,731,376,610.94 - Step 5: Solve for x
x = 82,731,376,610.94/331,660.68 - Step 6: Final answer
x = 249,445.84
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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.