Finding the Fourth Proportional to 292,554.63, 438,847.14 and 92,890.65
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Solution
The fourth proportional to 292,554.63, 438,847.14 and 92,890.65 is: 139,340.80
Step by Step Solution
- Step 1: Write the proportion equation
292,554.63 : 438,847.14 = 92,890.65 : x - Step 2: Convert to fraction form
292,554.63/438,847.14 = 92,890.65/x - Step 3: Cross multiply
292,554.63x = 438,847.14 × 92,890.65 - Step 4: Simplify right side
292,554.63x = 40,764,796,085.24 - Step 5: Solve for x
x = 40,764,796,085.24/292,554.63 - Step 6: Final answer
x = 139,340.80
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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.