Finding the Fourth Proportional to 186,775.53, 280,353.99 and 136,706.91
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Solution
The fourth proportional to 186,775.53, 280,353.99 and 136,706.91 is: 205,199.94
Step by Step Solution
- Step 1: Write the proportion equation
186,775.53 : 280,353.99 = 136,706.91 : x - Step 2: Convert to fraction form
186,775.53/280,353.99 = 136,706.91/x - Step 3: Cross multiply
186,775.53x = 280,353.99 × 136,706.91 - Step 4: Simplify right side
186,775.53x = 38,326,327,679.07 - Step 5: Solve for x
x = 38,326,327,679.07/186,775.53 - Step 6: Final answer
x = 205,199.94
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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.