Finding the Fourth Proportional to 291,511.16, 437,266.74 and 166,764.68
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Solution
The fourth proportional to 291,511.16, 437,266.74 and 166,764.68 is: 250,147.02
Step by Step Solution
- Step 1: Write the proportion equation
291,511.16 : 437,266.74 = 166,764.68 : x - Step 2: Convert to fraction form
291,511.16/437,266.74 = 166,764.68/x - Step 3: Cross multiply
291,511.16x = 437,266.74 × 166,764.68 - Step 4: Simplify right side
291,511.16x = 72,920,647,970.74 - Step 5: Solve for x
x = 72,920,647,970.74/291,511.16 - Step 6: Final answer
x = 250,147.02
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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.