Finding the Fourth Proportional to 156,408.84, 215,768.09 and 92,701.53
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Solution
The fourth proportional to 156,408.84, 215,768.09 and 92,701.53 is: 127,883.00
Step by Step Solution
- Step 1: Write the proportion equation
156,408.84 : 215,768.09 = 92,701.53 : x - Step 2: Convert to fraction form
156,408.84/215,768.09 = 92,701.53/x - Step 3: Cross multiply
156,408.84x = 215,768.09 × 92,701.53 - Step 4: Simplify right side
156,408.84x = 20,002,031,604.67 - Step 5: Solve for x
x = 20,002,031,604.67/156,408.84 - Step 6: Final answer
x = 127,883.00
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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.