Finding the Fourth Proportional to 270,810.72, 406,299.12 and 121,176.96
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Solution
The fourth proportional to 270,810.72, 406,299.12 and 121,176.96 is: 181,802.60
Step by Step Solution
- Step 1: Write the proportion equation
270,810.72 : 406,299.12 = 121,176.96 : x - Step 2: Convert to fraction form
270,810.72/406,299.12 = 121,176.96/x - Step 3: Cross multiply
270,810.72x = 406,299.12 × 121,176.96 - Step 4: Simplify right side
270,810.72x = 49,234,092,212.28 - Step 5: Solve for x
x = 49,234,092,212.28/270,810.72 - Step 6: Final answer
x = 181,802.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.