Finding the Fourth Proportional to 277,225.12, 415,888.92 and 87,733.18
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Solution
The fourth proportional to 277,225.12, 415,888.92 and 87,733.18 is: 131,615.99
Step by Step Solution
- Step 1: Write the proportion equation
277,225.12 : 415,888.92 = 87,733.18 : x - Step 2: Convert to fraction form
277,225.12/415,888.92 = 87,733.18/x - Step 3: Cross multiply
277,225.12x = 415,888.92 × 87,733.18 - Step 4: Simplify right side
277,225.12x = 36,487,257,478.37 - Step 5: Solve for x
x = 36,487,257,478.37/277,225.12 - Step 6: Final answer
x = 131,615.99
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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.