Finding the Fourth Proportional to 291,333.44, 437,043.18 and 149,259.08
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Solution
The fourth proportional to 291,333.44, 437,043.18 and 149,259.08 is: 223,910.66
Step by Step Solution
- Step 1: Write the proportion equation
291,333.44 : 437,043.18 = 149,259.08 : x - Step 2: Convert to fraction form
291,333.44/437,043.18 = 149,259.08/x - Step 3: Cross multiply
291,333.44x = 437,043.18 × 149,259.08 - Step 4: Simplify right side
291,333.44x = 65,232,662,967.07 - Step 5: Solve for x
x = 65,232,662,967.07/291,333.44 - Step 6: Final answer
x = 223,910.66
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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.