Finding the Fourth Proportional to 274,953.88, 412,423.26 and 87,962.68
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Solution
The fourth proportional to 274,953.88, 412,423.26 and 87,962.68 is: 131,941.60
Step by Step Solution
- Step 1: Write the proportion equation
274,953.88 : 412,423.26 = 87,962.68 : x - Step 2: Convert to fraction form
274,953.88/412,423.26 = 87,962.68/x - Step 3: Cross multiply
274,953.88x = 412,423.26 × 87,962.68 - Step 4: Simplify right side
274,953.88x = 36,277,855,243.94 - Step 5: Solve for x
x = 36,277,855,243.94/274,953.88 - Step 6: Final answer
x = 131,941.60
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1.5x scale
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.