Finding the Fourth Proportional to 291,270.76, 436,206.30 and 166,232.68
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Solution
The fourth proportional to 291,270.76, 436,206.30 and 166,232.68 is: 248,949.61
Step by Step Solution
- Step 1: Write the proportion equation
291,270.76 : 436,206.30 = 166,232.68 : x - Step 2: Convert to fraction form
291,270.76/436,206.30 = 166,232.68/x - Step 3: Cross multiply
291,270.76x = 436,206.30 × 166,232.68 - Step 4: Simplify right side
291,270.76x = 72,511,742,281.88 - Step 5: Solve for x
x = 72,511,742,281.88/291,270.76 - Step 6: Final answer
x = 248,949.61
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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.