Finding the Fourth Proportional to 188,316.74, 282,518.58 and 55,207.28
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Solution
The fourth proportional to 188,316.74, 282,518.58 and 55,207.28 is: 82,823.66
Step by Step Solution
- Step 1: Write the proportion equation
188,316.74 : 282,518.58 = 55,207.28 : x - Step 2: Convert to fraction form
188,316.74/282,518.58 = 55,207.28/x - Step 3: Cross multiply
188,316.74x = 282,518.58 × 55,207.28 - Step 4: Simplify right side
188,316.74x = 15,597,082,351.26 - Step 5: Solve for x
x = 15,597,082,351.26/188,316.74 - Step 6: Final answer
x = 82,823.66
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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.