Finding the Fourth Proportional to 291,449.60, 437,368.80 and 133,596.80
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Solution
The fourth proportional to 291,449.60, 437,368.80 and 133,596.80 is: 200,484.31
Step by Step Solution
- Step 1: Write the proportion equation
291,449.60 : 437,368.80 = 133,596.80 : x - Step 2: Convert to fraction form
291,449.60/437,368.80 = 133,596.80/x - Step 3: Cross multiply
291,449.60x = 437,368.80 × 133,596.80 - Step 4: Simplify right side
291,449.60x = 58,431,072,099.84 - Step 5: Solve for x
x = 58,431,072,099.84/291,449.60 - Step 6: Final answer
x = 200,484.31
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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.