Finding the Fourth Proportional to 291,616.18, 437,080.59 and 131,504.65
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Solution
The fourth proportional to 291,616.18, 437,080.59 and 131,504.65 is: 197,101.99
Step by Step Solution
- Step 1: Write the proportion equation
291,616.18 : 437,080.59 = 131,504.65 : x - Step 2: Convert to fraction form
291,616.18/437,080.59 = 131,504.65/x - Step 3: Cross multiply
291,616.18x = 437,080.59 × 131,504.65 - Step 4: Simplify right side
291,616.18x = 57,478,128,917.04 - Step 5: Solve for x
x = 57,478,128,917.04/291,616.18 - Step 6: Final answer
x = 197,101.99
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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.