Finding the Fourth Proportional to 186,767.36, 280,113.36 and 68,398.28
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Solution
The fourth proportional to 186,767.36, 280,113.36 and 68,398.28 is: 102,583.62
Step by Step Solution
- Step 1: Write the proportion equation
186,767.36 : 280,113.36 = 68,398.28 : x - Step 2: Convert to fraction form
186,767.36/280,113.36 = 68,398.28/x - Step 3: Cross multiply
186,767.36x = 280,113.36 × 68,398.28 - Step 4: Simplify right side
186,767.36x = 19,159,272,029.02 - Step 5: Solve for x
x = 19,159,272,029.02/186,767.36 - Step 6: Final answer
x = 102,583.62
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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.