Finding the Fourth Proportional to 471,903.36, 651,368.92 and 321,087.84
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Solution
The fourth proportional to 471,903.36, 651,368.92 and 321,087.84 is: 443,198.03
Step by Step Solution
- Step 1: Write the proportion equation
471,903.36 : 651,368.92 = 321,087.84 : x - Step 2: Convert to fraction form
471,903.36/651,368.92 = 321,087.84/x - Step 3: Cross multiply
471,903.36x = 651,368.92 × 321,087.84 - Step 4: Simplify right side
471,903.36x = 209,146,639,565.93 - Step 5: Solve for x
x = 209,146,639,565.93/471,903.36 - Step 6: Final answer
x = 443,198.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.