Finding the Fourth Proportional to 427,588.24, 641,473.98 and 157,717.36
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Solution
The fourth proportional to 427,588.24, 641,473.98 and 157,717.36 is: 236,609.83
Step by Step Solution
- Step 1: Write the proportion equation
427,588.24 : 641,473.98 = 157,717.36 : x - Step 2: Convert to fraction form
427,588.24/641,473.98 = 157,717.36/x - Step 3: Cross multiply
427,588.24x = 641,473.98 × 157,717.36 - Step 4: Simplify right side
427,588.24x = 101,171,582,634.29 - Step 5: Solve for x
x = 101,171,582,634.29/427,588.24 - Step 6: Final answer
x = 236,609.83
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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.