Finding the Fourth Proportional to 197,154.88, 296,349.60 and 130,117.70
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Solution
The fourth proportional to 197,154.88, 296,349.60 and 130,117.70 is: 195,583.94
Step by Step Solution
- Step 1: Write the proportion equation
197,154.88 : 296,349.60 = 130,117.70 : x - Step 2: Convert to fraction form
197,154.88/296,349.60 = 130,117.70/x - Step 3: Cross multiply
197,154.88x = 296,349.60 × 130,117.70 - Step 4: Simplify right side
197,154.88x = 38,560,328,347.92 - Step 5: Solve for x
x = 38,560,328,347.92/197,154.88 - Step 6: Final answer
x = 195,583.94
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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.