Finding the Fourth Proportional to 292,190.11, 438,554.58 and 148,196.99
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Solution
The fourth proportional to 292,190.11, 438,554.58 and 148,196.99 is: 222,432.13
Step by Step Solution
- Step 1: Write the proportion equation
292,190.11 : 438,554.58 = 148,196.99 : x - Step 2: Convert to fraction form
292,190.11/438,554.58 = 148,196.99/x - Step 3: Cross multiply
292,190.11x = 438,554.58 × 148,196.99 - Step 4: Simplify right side
292,190.11x = 64,992,467,614.10 - Step 5: Solve for x
x = 64,992,467,614.10/292,190.11 - Step 6: Final answer
x = 222,432.13
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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.