Finding the Fourth Proportional to 291,133.07, 436,439.90 and 113,598.79
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Solution
The fourth proportional to 291,133.07, 436,439.90 and 113,598.79 is: 170,296.85
Step by Step Solution
- Step 1: Write the proportion equation
291,133.07 : 436,439.90 = 113,598.79 : x - Step 2: Convert to fraction form
291,133.07/436,439.90 = 113,598.79/x - Step 3: Cross multiply
291,133.07x = 436,439.90 × 113,598.79 - Step 4: Simplify right side
291,133.07x = 49,579,043,101.63 - Step 5: Solve for x
x = 49,579,043,101.63/291,133.07 - Step 6: Final answer
x = 170,296.85
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1.5x scale
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.