Finding the Fourth Proportional to 673,343.79, 1,009,842.88 and 199,919.31
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Solution
The fourth proportional to 673,343.79, 1,009,842.88 and 199,919.31 is: 299,827.66
Step by Step Solution
- Step 1: Write the proportion equation
673,343.79 : 1,009,842.88 = 199,919.31 : x - Step 2: Convert to fraction form
673,343.79/1,009,842.88 = 199,919.31/x - Step 3: Cross multiply
673,343.79x = 1,009,842.88 × 199,919.31 - Step 4: Simplify right side
673,343.79x = 201,887,091,778.01 - Step 5: Solve for x
x = 201,887,091,778.01/673,343.79 - Step 6: Final answer
x = 299,827.66
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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.