Finding the Fourth Proportional to 74,282.74, 111,456.78 and 29,995.99
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Solution
The fourth proportional to 74,282.74, 111,456.78 and 29,995.99 is: 45,007.18
Step by Step Solution
- Step 1: Write the proportion equation
74,282.74 : 111,456.78 = 29,995.99 : x - Step 2: Convert to fraction form
74,282.74/111,456.78 = 29,995.99/x - Step 3: Cross multiply
74,282.74x = 111,456.78 × 29,995.99 - Step 4: Simplify right side
74,282.74x = 3,343,256,458.31 - Step 5: Solve for x
x = 3,343,256,458.31/74,282.74 - Step 6: Final answer
x = 45,007.18
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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.