Finding the Fourth Proportional to 242,998.65, 335,331.63 and 135,565.92
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Solution
The fourth proportional to 242,998.65, 335,331.63 and 135,565.92 is: 187,077.34
Step by Step Solution
- Step 1: Write the proportion equation
242,998.65 : 335,331.63 = 135,565.92 : x - Step 2: Convert to fraction form
242,998.65/335,331.63 = 135,565.92/x - Step 3: Cross multiply
242,998.65x = 335,331.63 × 135,565.92 - Step 4: Simplify right side
242,998.65x = 45,459,540,926.05 - Step 5: Solve for x
x = 45,459,540,926.05/242,998.65 - Step 6: Final answer
x = 187,077.34
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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.