Finding the Fourth Proportional to 197,931.09, 296,894.88 and 71,523.48
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Solution
The fourth proportional to 197,931.09, 296,894.88 and 71,523.48 is: 107,284.59
Step by Step Solution
- Step 1: Write the proportion equation
197,931.09 : 296,894.88 = 71,523.48 : x - Step 2: Convert to fraction form
197,931.09/296,894.88 = 71,523.48/x - Step 3: Cross multiply
197,931.09x = 296,894.88 × 71,523.48 - Step 4: Simplify right side
197,931.09x = 21,234,955,011.78 - Step 5: Solve for x
x = 21,234,955,011.78/197,931.09 - Step 6: Final answer
x = 107,284.59
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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.