Finding the Fourth Proportional to 429,576.86, 644,118.36 and 177,031.70
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Solution
The fourth proportional to 429,576.86, 644,118.36 and 177,031.70 is: 265,445.79
Step by Step Solution
- Step 1: Write the proportion equation
429,576.86 : 644,118.36 = 177,031.70 : x - Step 2: Convert to fraction form
429,576.86/644,118.36 = 177,031.70/x - Step 3: Cross multiply
429,576.86x = 644,118.36 × 177,031.70 - Step 4: Simplify right side
429,576.86x = 114,029,368,272.01 - Step 5: Solve for x
x = 114,029,368,272.01/429,576.86 - Step 6: Final answer
x = 265,445.79
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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.