Finding the Fourth Proportional to 291,659.12, 436,449.08 and 201,719.92
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Solution
The fourth proportional to 291,659.12, 436,449.08 and 201,719.92 is: 301,860.86
Step by Step Solution
- Step 1: Write the proportion equation
291,659.12 : 436,449.08 = 201,719.92 : x - Step 2: Convert to fraction form
291,659.12/436,449.08 = 201,719.92/x - Step 3: Cross multiply
291,659.12x = 436,449.08 × 201,719.92 - Step 4: Simplify right side
291,659.12x = 88,040,473,501.67 - Step 5: Solve for x
x = 88,040,473,501.67/291,659.12 - Step 6: Final answer
x = 301,860.86
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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.