Finding the Fourth Proportional to 242,998.80, 335,337.42 and 135,568.92
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Solution
The fourth proportional to 242,998.80, 335,337.42 and 135,568.92 is: 187,084.59
Step by Step Solution
- Step 1: Write the proportion equation
242,998.80 : 335,337.42 = 135,568.92 : x - Step 2: Convert to fraction form
242,998.80/335,337.42 = 135,568.92/x - Step 3: Cross multiply
242,998.80x = 335,337.42 × 135,568.92 - Step 4: Simplify right side
242,998.80x = 45,461,331,864.99 - Step 5: Solve for x
x = 45,461,331,864.99/242,998.80 - Step 6: Final answer
x = 187,084.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.