Finding the Fourth Proportional to 291,780.87, 437,496.08 and 114,076.14
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Solution
The fourth proportional to 291,780.87, 437,496.08 and 114,076.14 is: 171,045.70
Step by Step Solution
- Step 1: Write the proportion equation
291,780.87 : 437,496.08 = 114,076.14 : x - Step 2: Convert to fraction form
291,780.87/437,496.08 = 114,076.14/x - Step 3: Cross multiply
291,780.87x = 437,496.08 × 114,076.14 - Step 4: Simplify right side
291,780.87x = 49,907,863,501.15 - Step 5: Solve for x
x = 49,907,863,501.15/291,780.87 - Step 6: Final answer
x = 171,045.70
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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.