Finding the Fourth Proportional to 792,134.70, 1,187,727.48 and 252,157.68
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Solution
The fourth proportional to 792,134.70, 1,187,727.48 and 252,157.68 is: 378,085.45
Step by Step Solution
- Step 1: Write the proportion equation
792,134.70 : 1,187,727.48 = 252,157.68 : x - Step 2: Convert to fraction form
792,134.70/1,187,727.48 = 252,157.68/x - Step 3: Cross multiply
792,134.70x = 1,187,727.48 × 252,157.68 - Step 4: Simplify right side
792,134.70x = 299,494,605,829.05 - Step 5: Solve for x
x = 299,494,605,829.05/792,134.70 - Step 6: Final answer
x = 378,085.45
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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.