Finding the Fourth Proportional to 186,534.77, 279,719.93 and 53,384.74
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Solution
The fourth proportional to 186,534.77, 279,719.93 and 53,384.74 is: 80,053.58
Step by Step Solution
- Step 1: Write the proportion equation
186,534.77 : 279,719.93 = 53,384.74 : x - Step 2: Convert to fraction form
186,534.77/279,719.93 = 53,384.74/x - Step 3: Cross multiply
186,534.77x = 279,719.93 × 53,384.74 - Step 4: Simplify right side
186,534.77x = 14,932,775,170.03 - Step 5: Solve for x
x = 14,932,775,170.03/186,534.77 - Step 6: Final answer
x = 80,053.58
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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.