Finding the Fourth Proportional to 413,899.68, 620,849.28 and 110,293.96
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Solution
The fourth proportional to 413,899.68, 620,849.28 and 110,293.96 is: 165,440.88
Step by Step Solution
- Step 1: Write the proportion equation
413,899.68 : 620,849.28 = 110,293.96 : x - Step 2: Convert to fraction form
413,899.68/620,849.28 = 110,293.96/x - Step 3: Cross multiply
413,899.68x = 620,849.28 × 110,293.96 - Step 4: Simplify right side
413,899.68x = 68,475,925,654.35 - Step 5: Solve for x
x = 68,475,925,654.35/413,899.68 - Step 6: Final answer
x = 165,440.88
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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.