Finding the Fourth Proportional to 298,818.44, 448,359.68 and 156,629.68
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Solution
The fourth proportional to 298,818.44, 448,359.68 and 156,629.68 is: 235,013.72
Step by Step Solution
- Step 1: Write the proportion equation
298,818.44 : 448,359.68 = 156,629.68 : x - Step 2: Convert to fraction form
298,818.44/448,359.68 = 156,629.68/x - Step 3: Cross multiply
298,818.44x = 448,359.68 × 156,629.68 - Step 4: Simplify right side
298,818.44x = 70,226,433,203.30 - Step 5: Solve for x
x = 70,226,433,203.30/298,818.44 - Step 6: Final answer
x = 235,013.72
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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.