Finding the Fourth Proportional to 298,609.14, 447,767.91 and 130,271.70
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Solution
The fourth proportional to 298,609.14, 447,767.91 and 130,271.70 is: 195,343.94
Step by Step Solution
- Step 1: Write the proportion equation
298,609.14 : 447,767.91 = 130,271.70 : x - Step 2: Convert to fraction form
298,609.14/447,767.91 = 130,271.70/x - Step 3: Cross multiply
298,609.14x = 447,767.91 × 130,271.70 - Step 4: Simplify right side
298,609.14x = 58,331,486,841.15 - Step 5: Solve for x
x = 58,331,486,841.15/298,609.14 - Step 6: Final answer
x = 195,343.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.