Finding the Fourth Proportional to 204,113.12, 306,308.99 and 70,992.05
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Solution
The fourth proportional to 204,113.12, 306,308.99 and 70,992.05 is: 106,536.52
Step by Step Solution
- Step 1: Write the proportion equation
204,113.12 : 306,308.99 = 70,992.05 : x - Step 2: Convert to fraction form
204,113.12/306,308.99 = 70,992.05/x - Step 3: Cross multiply
204,113.12x = 306,308.99 × 70,992.05 - Step 4: Simplify right side
204,113.12x = 21,745,501,779.46 - Step 5: Solve for x
x = 21,745,501,779.46/204,113.12 - Step 6: Final answer
x = 106,536.52
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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.