Finding the Fourth Proportional to 390,524.68, 585,576.38 and 177,176.17
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Solution
The fourth proportional to 390,524.68, 585,576.38 and 177,176.17 is: 265,668.69
Step by Step Solution
- Step 1: Write the proportion equation
390,524.68 : 585,576.38 = 177,176.17 : x - Step 2: Convert to fraction form
390,524.68/585,576.38 = 177,176.17/x - Step 3: Cross multiply
390,524.68x = 585,576.38 × 177,176.17 - Step 4: Simplify right side
390,524.68x = 103,750,180,429.16 - Step 5: Solve for x
x = 103,750,180,429.16/390,524.68 - Step 6: Final answer
x = 265,668.69
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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.