Finding the Fourth Proportional to 292,511.80, 438,767.70 and 245,272.60
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Solution
The fourth proportional to 292,511.80, 438,767.70 and 245,272.60 is: 367,908.90
Step by Step Solution
- Step 1: Write the proportion equation
292,511.80 : 438,767.70 = 245,272.60 : x - Step 2: Convert to fraction form
292,511.80/438,767.70 = 245,272.60/x - Step 3: Cross multiply
292,511.80x = 438,767.70 × 245,272.60 - Step 4: Simplify right side
292,511.80x = 107,617,694,575.02 - Step 5: Solve for x
x = 107,617,694,575.02/292,511.80 - Step 6: Final answer
x = 367,908.90
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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.