Finding the Fourth Proportional to 195,840.99, 270,282.29 and 115,288.38
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Solution
The fourth proportional to 195,840.99, 270,282.29 and 115,288.38 is: 159,110.75
Step by Step Solution
- Step 1: Write the proportion equation
195,840.99 : 270,282.29 = 115,288.38 : x - Step 2: Convert to fraction form
195,840.99/270,282.29 = 115,288.38/x - Step 3: Cross multiply
195,840.99x = 270,282.29 × 115,288.38 - Step 4: Simplify right side
195,840.99x = 31,160,406,780.35 - Step 5: Solve for x
x = 31,160,406,780.35/195,840.99 - Step 6: Final answer
x = 159,110.75
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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.