Finding the Fourth Proportional to 491,053.05, 736,610.77 and 154,107.02
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Solution
The fourth proportional to 491,053.05, 736,610.77 and 154,107.02 is: 231,170.32
Step by Step Solution
- Step 1: Write the proportion equation
491,053.05 : 736,610.77 = 154,107.02 : x - Step 2: Convert to fraction form
491,053.05/736,610.77 = 154,107.02/x - Step 3: Cross multiply
491,053.05x = 736,610.77 × 154,107.02 - Step 4: Simplify right side
491,053.05x = 113,516,890,664.61 - Step 5: Solve for x
x = 113,516,890,664.61/491,053.05 - Step 6: Final answer
x = 231,170.32
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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.